2821 lines
78 KiB
PHP
2821 lines
78 KiB
PHP
<?php
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/**
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* SimplePie
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*
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* A PHP-Based RSS and Atom Feed Framework.
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* Takes the hard work out of managing a complete RSS/Atom solution.
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*
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* Copyright (c) 2004-2009, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification, are
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* permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* * Neither the name of the SimplePie Team nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
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* AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* @package SimplePie
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* @version 1.3-dev
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* @copyright 2004-2010 Ryan Parman, Geoffrey Sneddon, Ryan McCue
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* @author Ryan Parman
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* @author Geoffrey Sneddon
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* @author Ryan McCue
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* @link http://simplepie.org/ SimplePie
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* @license http://www.opensource.org/licenses/bsd-license.php BSD License
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* @todo phpDoc comments
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*/
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/**
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* SimplePie Name
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*/
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define('SIMPLEPIE_NAME', 'SimplePie');
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/**
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* SimplePie Version
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*/
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define('SIMPLEPIE_VERSION', '1.3-dev');
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/**
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* SimplePie Build
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* @todo Hardcode for release (there's no need to have to call SimplePie_Misc::get_build() only every load of simplepie.inc)
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*/
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define('SIMPLEPIE_BUILD', gmdate('YmdHis', SimplePie_Misc::get_build()));
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/**
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* SimplePie Website URL
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*/
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define('SIMPLEPIE_URL', 'http://simplepie.org');
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/**
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* SimplePie Useragent
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* @see SimplePie::set_useragent()
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*/
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define('SIMPLEPIE_USERAGENT', SIMPLEPIE_NAME . '/' . SIMPLEPIE_VERSION . ' (Feed Parser; ' . SIMPLEPIE_URL . '; Allow like Gecko) Build/' . SIMPLEPIE_BUILD);
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/**
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* SimplePie Linkback
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*/
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define('SIMPLEPIE_LINKBACK', '<a href="' . SIMPLEPIE_URL . '" title="' . SIMPLEPIE_NAME . ' ' . SIMPLEPIE_VERSION . '">' . SIMPLEPIE_NAME . '</a>');
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/**
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* No Autodiscovery
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* @see SimplePie::set_autodiscovery_level()
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*/
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define('SIMPLEPIE_LOCATOR_NONE', 0);
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/**
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* Feed Link Element Autodiscovery
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* @see SimplePie::set_autodiscovery_level()
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*/
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define('SIMPLEPIE_LOCATOR_AUTODISCOVERY', 1);
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/**
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* Local Feed Extension Autodiscovery
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* @see SimplePie::set_autodiscovery_level()
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*/
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define('SIMPLEPIE_LOCATOR_LOCAL_EXTENSION', 2);
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/**
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* Local Feed Body Autodiscovery
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* @see SimplePie::set_autodiscovery_level()
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*/
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define('SIMPLEPIE_LOCATOR_LOCAL_BODY', 4);
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/**
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* Remote Feed Extension Autodiscovery
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* @see SimplePie::set_autodiscovery_level()
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*/
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define('SIMPLEPIE_LOCATOR_REMOTE_EXTENSION', 8);
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/**
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* Remote Feed Body Autodiscovery
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* @see SimplePie::set_autodiscovery_level()
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*/
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define('SIMPLEPIE_LOCATOR_REMOTE_BODY', 16);
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/**
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* All Feed Autodiscovery
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* @see SimplePie::set_autodiscovery_level()
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*/
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define('SIMPLEPIE_LOCATOR_ALL', 31);
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/**
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* No known feed type
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*/
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define('SIMPLEPIE_TYPE_NONE', 0);
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/**
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* RSS 0.90
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*/
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define('SIMPLEPIE_TYPE_RSS_090', 1);
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/**
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* RSS 0.91 (Netscape)
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*/
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define('SIMPLEPIE_TYPE_RSS_091_NETSCAPE', 2);
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/**
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* RSS 0.91 (Userland)
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*/
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define('SIMPLEPIE_TYPE_RSS_091_USERLAND', 4);
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/**
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* RSS 0.91 (both Netscape and Userland)
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*/
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define('SIMPLEPIE_TYPE_RSS_091', 6);
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/**
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* RSS 0.92
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*/
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define('SIMPLEPIE_TYPE_RSS_092', 8);
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/**
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* RSS 0.93
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*/
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define('SIMPLEPIE_TYPE_RSS_093', 16);
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/**
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* RSS 0.94
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*/
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define('SIMPLEPIE_TYPE_RSS_094', 32);
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/**
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* RSS 1.0
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*/
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define('SIMPLEPIE_TYPE_RSS_10', 64);
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/**
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* RSS 2.0
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*/
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define('SIMPLEPIE_TYPE_RSS_20', 128);
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/**
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* RDF-based RSS
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*/
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define('SIMPLEPIE_TYPE_RSS_RDF', 65);
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/**
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* Non-RDF-based RSS (truly intended as syndication format)
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*/
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define('SIMPLEPIE_TYPE_RSS_SYNDICATION', 190);
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/**
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* All RSS
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*/
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define('SIMPLEPIE_TYPE_RSS_ALL', 255);
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/**
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* Atom 0.3
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*/
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define('SIMPLEPIE_TYPE_ATOM_03', 256);
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/**
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* Atom 1.0
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*/
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define('SIMPLEPIE_TYPE_ATOM_10', 512);
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/**
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* All Atom
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*/
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define('SIMPLEPIE_TYPE_ATOM_ALL', 768);
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/**
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* All feed types
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*/
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define('SIMPLEPIE_TYPE_ALL', 1023);
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/**
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* No construct
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*/
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define('SIMPLEPIE_CONSTRUCT_NONE', 0);
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/**
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* Text construct
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*/
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define('SIMPLEPIE_CONSTRUCT_TEXT', 1);
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/**
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* HTML construct
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*/
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define('SIMPLEPIE_CONSTRUCT_HTML', 2);
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/**
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* XHTML construct
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*/
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define('SIMPLEPIE_CONSTRUCT_XHTML', 4);
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/**
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* base64-encoded construct
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*/
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define('SIMPLEPIE_CONSTRUCT_BASE64', 8);
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/**
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* IRI construct
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*/
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define('SIMPLEPIE_CONSTRUCT_IRI', 16);
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/**
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* A construct that might be HTML
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*/
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define('SIMPLEPIE_CONSTRUCT_MAYBE_HTML', 32);
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/**
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* All constructs
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*/
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define('SIMPLEPIE_CONSTRUCT_ALL', 63);
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/**
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* Don't change case
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*/
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define('SIMPLEPIE_SAME_CASE', 1);
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/**
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* Change to lowercase
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*/
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define('SIMPLEPIE_LOWERCASE', 2);
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/**
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* Change to uppercase
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*/
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define('SIMPLEPIE_UPPERCASE', 4);
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/**
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* PCRE for HTML attributes
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*/
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define('SIMPLEPIE_PCRE_HTML_ATTRIBUTE', '((?:[\x09\x0A\x0B\x0C\x0D\x20]+[^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3D\x3E]*(?:[\x09\x0A\x0B\x0C\x0D\x20]*=[\x09\x0A\x0B\x0C\x0D\x20]*(?:"(?:[^"]*)"|\'(?:[^\']*)\'|(?:[^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?)*)[\x09\x0A\x0B\x0C\x0D\x20]*');
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/**
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* PCRE for XML attributes
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*/
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define('SIMPLEPIE_PCRE_XML_ATTRIBUTE', '((?:\s+(?:(?:[^\s:]+:)?[^\s:]+)\s*=\s*(?:"(?:[^"]*)"|\'(?:[^\']*)\'))*)\s*');
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/**
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* XML Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_XML', 'http://www.w3.org/XML/1998/namespace');
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/**
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* Atom 1.0 Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_ATOM_10', 'http://www.w3.org/2005/Atom');
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/**
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* Atom 0.3 Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_ATOM_03', 'http://purl.org/atom/ns#');
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/**
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* RDF Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_RDF', 'http://www.w3.org/1999/02/22-rdf-syntax-ns#');
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/**
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* RSS 0.90 Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_RSS_090', 'http://my.netscape.com/rdf/simple/0.9/');
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/**
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* RSS 1.0 Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_RSS_10', 'http://purl.org/rss/1.0/');
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/**
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* RSS 1.0 Content Module Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_RSS_10_MODULES_CONTENT', 'http://purl.org/rss/1.0/modules/content/');
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/**
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* RSS 2.0 Namespace
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* (Stupid, I know, but I'm certain it will confuse people less with support.)
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*/
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define('SIMPLEPIE_NAMESPACE_RSS_20', '');
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/**
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* DC 1.0 Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_DC_10', 'http://purl.org/dc/elements/1.0/');
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/**
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* DC 1.1 Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_DC_11', 'http://purl.org/dc/elements/1.1/');
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/**
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* W3C Basic Geo (WGS84 lat/long) Vocabulary Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO', 'http://www.w3.org/2003/01/geo/wgs84_pos#');
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/**
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* GeoRSS Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_GEORSS', 'http://www.georss.org/georss');
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/**
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* Media RSS Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_MEDIARSS', 'http://search.yahoo.com/mrss/');
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/**
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* Wrong Media RSS Namespace. Caused by a long-standing typo in the spec.
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*/
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define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG', 'http://search.yahoo.com/mrss');
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/**
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* Wrong Media RSS Namespace #2. New namespace introduced in Media RSS 1.5.
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*/
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define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG2', 'http://video.search.yahoo.com/mrss');
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/**
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* Wrong Media RSS Namespace #3. A possible typo of the Media RSS 1.5 namespace.
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*/
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define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG3', 'http://video.search.yahoo.com/mrss/');
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/**
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* Wrong Media RSS Namespace #4. New spec location after the RSS Advisory Board takes it over, but not a valid namespace.
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*/
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define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG4', 'http://www.rssboard.org/media-rss');
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/**
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* Wrong Media RSS Namespace #5. A possible typo of the RSS Advisory Board URL.
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*/
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define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG5', 'http://www.rssboard.org/media-rss/');
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/**
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* iTunes RSS Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_ITUNES', 'http://www.itunes.com/dtds/podcast-1.0.dtd');
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/**
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* XHTML Namespace
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*/
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define('SIMPLEPIE_NAMESPACE_XHTML', 'http://www.w3.org/1999/xhtml');
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/**
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* IANA Link Relations Registry
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*/
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define('SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY', 'http://www.iana.org/assignments/relation/');
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/**
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* Whether we're running on PHP5
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*/
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define('SIMPLEPIE_PHP5', version_compare(PHP_VERSION, '5.0.0', '>='));
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/**
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* No file source
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*/
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define('SIMPLEPIE_FILE_SOURCE_NONE', 0);
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/**
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* Remote file source
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*/
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define('SIMPLEPIE_FILE_SOURCE_REMOTE', 1);
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/**
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* Local file source
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*/
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define('SIMPLEPIE_FILE_SOURCE_LOCAL', 2);
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/**
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* fsockopen() file source
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*/
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define('SIMPLEPIE_FILE_SOURCE_FSOCKOPEN', 4);
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/**
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* cURL file source
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*/
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define('SIMPLEPIE_FILE_SOURCE_CURL', 8);
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/**
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* file_get_contents() file source
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*/
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define('SIMPLEPIE_FILE_SOURCE_FILE_GET_CONTENTS', 16);
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/**
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* SimplePie
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*
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* @package SimplePie
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*/
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class SimplePie_Core
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{
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/**
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* @var array Raw data
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* @access private
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*/
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public $data = array();
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/**
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* @var mixed Error string
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* @access private
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*/
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public $error;
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/**
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* @var object Instance of SimplePie_Sanitize (or other class)
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* @see SimplePie::set_sanitize_class()
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* @access private
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*/
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public $sanitize;
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/**
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* @var string SimplePie Useragent
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* @see SimplePie::set_useragent()
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* @access private
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*/
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public $useragent = SIMPLEPIE_USERAGENT;
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/**
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* @var string Feed URL
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* @see SimplePie::set_feed_url()
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* @access private
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*/
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public $feed_url;
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/**
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* @var object Instance of SimplePie_File to use as a feed
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* @see SimplePie::set_file()
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* @access private
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*/
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public $file;
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/**
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* @var string Raw feed data
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* @see SimplePie::set_raw_data()
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* @access private
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*/
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public $raw_data;
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/**
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* @var int Timeout for fetching remote files
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* @see SimplePie::set_timeout()
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* @access private
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*/
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public $timeout = 10;
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/**
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* @var bool Forces fsockopen() to be used for remote files instead
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* of cURL, even if a new enough version is installed
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* @see SimplePie::force_fsockopen()
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* @access private
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*/
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public $force_fsockopen = false;
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/**
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* @var bool Force the given data/URL to be treated as a feed no matter what
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* it appears like
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* @see SimplePie::force_feed()
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* @access private
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*/
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public $force_feed = false;
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/**
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* @var bool Enable/Disable XML dump
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* @see SimplePie::enable_xml_dump()
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* @access private
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*/
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public $xml_dump = false;
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/**
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* @var bool Enable/Disable Caching
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* @see SimplePie::enable_cache()
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* @access private
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*/
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public $cache = true;
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/**
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* @var int Cache duration (in seconds)
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* @see SimplePie::set_cache_duration()
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* @access private
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*/
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public $cache_duration = 3600;
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/**
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* @var int Auto-discovery cache duration (in seconds)
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* @see SimplePie::set_autodiscovery_cache_duration()
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* @access private
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*/
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public $autodiscovery_cache_duration = 604800; // 7 Days.
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|
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/**
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* @var string Cache location (relative to executing script)
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* @see SimplePie::set_cache_location()
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* @access private
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*/
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public $cache_location = './cache';
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/**
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* @var string Function that creates the cache filename
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* @see SimplePie::set_cache_name_function()
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* @access private
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*/
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public $cache_name_function = 'md5';
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/**
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* @var bool Reorder feed by date descending
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* @see SimplePie::enable_order_by_date()
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* @access private
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*/
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public $order_by_date = true;
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/**
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* @var mixed Force input encoding to be set to the follow value
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* (false, or anything type-cast to false, disables this feature)
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* @see SimplePie::set_input_encoding()
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* @access private
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*/
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public $input_encoding = false;
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/**
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* @var int Feed Autodiscovery Level
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* @see SimplePie::set_autodiscovery_level()
|
|
* @access private
|
|
*/
|
|
public $autodiscovery = SIMPLEPIE_LOCATOR_ALL;
|
|
|
|
/**
|
|
* @var string Class used for caching feeds
|
|
* @see SimplePie::set_cache_class()
|
|
* @access private
|
|
*/
|
|
public $cache_class = 'SimplePie_Cache';
|
|
|
|
/**
|
|
* @var string Class used for locating feeds
|
|
* @see SimplePie::set_locator_class()
|
|
* @access private
|
|
*/
|
|
public $locator_class = 'SimplePie_Locator';
|
|
|
|
/**
|
|
* @var string Class used for parsing feeds
|
|
* @see SimplePie::set_parser_class()
|
|
* @access private
|
|
*/
|
|
public $parser_class = 'SimplePie_Parser';
|
|
|
|
/**
|
|
* @var string Class used for fetching feeds
|
|
* @see SimplePie::set_file_class()
|
|
* @access private
|
|
*/
|
|
public $file_class = 'SimplePie_File';
|
|
|
|
/**
|
|
* @var string Class used for items
|
|
* @see SimplePie::set_item_class()
|
|
* @access private
|
|
*/
|
|
public $item_class = 'SimplePie_Item';
|
|
|
|
/**
|
|
* @var string Class used for authors
|
|
* @see SimplePie::set_author_class()
|
|
* @access private
|
|
*/
|
|
public $author_class = 'SimplePie_Author';
|
|
|
|
/**
|
|
* @var string Class used for categories
|
|
* @see SimplePie::set_category_class()
|
|
* @access private
|
|
*/
|
|
public $category_class = 'SimplePie_Category';
|
|
|
|
/**
|
|
* @var string Class used for enclosures
|
|
* @see SimplePie::set_enclosures_class()
|
|
* @access private
|
|
*/
|
|
public $enclosure_class = 'SimplePie_Enclosure';
|
|
|
|
/**
|
|
* @var string Class used for Media RSS <media:text> captions
|
|
* @see SimplePie::set_caption_class()
|
|
* @access private
|
|
*/
|
|
public $caption_class = 'SimplePie_Caption';
|
|
|
|
/**
|
|
* @var string Class used for Media RSS <media:copyright>
|
|
* @see SimplePie::set_copyright_class()
|
|
* @access private
|
|
*/
|
|
public $copyright_class = 'SimplePie_Copyright';
|
|
|
|
/**
|
|
* @var string Class used for Media RSS <media:credit>
|
|
* @see SimplePie::set_credit_class()
|
|
* @access private
|
|
*/
|
|
public $credit_class = 'SimplePie_Credit';
|
|
|
|
/**
|
|
* @var string Class used for Media RSS <media:rating>
|
|
* @see SimplePie::set_rating_class()
|
|
* @access private
|
|
*/
|
|
public $rating_class = 'SimplePie_Rating';
|
|
|
|
/**
|
|
* @var string Class used for Media RSS <media:restriction>
|
|
* @see SimplePie::set_restriction_class()
|
|
* @access private
|
|
*/
|
|
public $restriction_class = 'SimplePie_Restriction';
|
|
|
|
/**
|
|
* @var string Class used for content-type sniffing
|
|
* @see SimplePie::set_content_type_sniffer_class()
|
|
* @access private
|
|
*/
|
|
public $content_type_sniffer_class = 'SimplePie_Content_Type_Sniffer';
|
|
|
|
/**
|
|
* @var string Class used for item sources.
|
|
* @see SimplePie::set_source_class()
|
|
* @access private
|
|
*/
|
|
public $source_class = 'SimplePie_Source';
|
|
|
|
/**
|
|
* @var int Maximum number of feeds to check with autodiscovery
|
|
* @see SimplePie::set_max_checked_feeds()
|
|
* @access private
|
|
*/
|
|
public $max_checked_feeds = 10;
|
|
|
|
/**
|
|
* @var array All the feeds found during the autodiscovery process
|
|
* @see SimplePie::get_all_discovered_feeds()
|
|
* @access private
|
|
*/
|
|
public $all_discovered_feeds = array();
|
|
|
|
/**
|
|
* @var string Web-accessible path to the handler_image.php file.
|
|
* @see SimplePie::set_image_handler()
|
|
* @access private
|
|
*/
|
|
public $image_handler = '';
|
|
|
|
/**
|
|
* @var array Stores the URLs when multiple feeds are being initialized.
|
|
* @see SimplePie::set_feed_url()
|
|
* @access private
|
|
*/
|
|
public $multifeed_url = array();
|
|
|
|
/**
|
|
* @var array Stores SimplePie objects when multiple feeds initialized.
|
|
* @access private
|
|
*/
|
|
public $multifeed_objects = array();
|
|
|
|
/**
|
|
* @var array Stores the get_object_vars() array for use with multifeeds.
|
|
* @see SimplePie::set_feed_url()
|
|
* @access private
|
|
*/
|
|
public $config_settings = null;
|
|
|
|
/**
|
|
* @var integer Stores the number of items to return per-feed with multifeeds.
|
|
* @see SimplePie::set_item_limit()
|
|
* @access private
|
|
*/
|
|
public $item_limit = 0;
|
|
|
|
/**
|
|
* @var array Stores the default attributes to be stripped by strip_attributes().
|
|
* @see SimplePie::strip_attributes()
|
|
* @access private
|
|
*/
|
|
public $strip_attributes = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc');
|
|
|
|
/**
|
|
* @var array Stores the default tags to be stripped by strip_htmltags().
|
|
* @see SimplePie::strip_htmltags()
|
|
* @access private
|
|
*/
|
|
public $strip_htmltags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style');
|
|
|
|
/**
|
|
* The SimplePie class contains feed level data and options
|
|
*
|
|
* There are two ways that you can create a new SimplePie object. The first
|
|
* is by passing a feed URL as a parameter to the SimplePie constructor
|
|
* (as well as optionally setting the cache location and cache expiry). This
|
|
* will initialise the whole feed with all of the default settings, and you
|
|
* can begin accessing methods and properties immediately.
|
|
*
|
|
* The second way is to create the SimplePie object with no parameters
|
|
* at all. This will enable you to set configuration options. After setting
|
|
* them, you must initialise the feed using $feed->init(). At that point the
|
|
* object's methods and properties will be available to you. This format is
|
|
* what is used throughout this documentation.
|
|
*
|
|
* @access public
|
|
* @since 1.0 Preview Release
|
|
*/
|
|
public function __construct()
|
|
{
|
|
if (version_compare(PHP_VERSION, '5.0', '<'))
|
|
{
|
|
trigger_error('PHP 4.x is no longer supported. Please upgrade to PHP 5.2 or newer.');
|
|
die();
|
|
}
|
|
|
|
// Other objects, instances created here so we can set options on them
|
|
$this->sanitize = new SimplePie_Sanitize();
|
|
|
|
if (func_num_args() > 0)
|
|
{
|
|
trigger_error('Passing parameters to the constructor is no longer supported. Please use set_feed_url(), set_cache_location(), and set_cache_location() directly.');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Used for converting object to a string
|
|
*/
|
|
public function __toString()
|
|
{
|
|
return md5(serialize($this->data));
|
|
}
|
|
|
|
/**
|
|
* Remove items that link back to this before destroying this object
|
|
*/
|
|
public function __destruct()
|
|
{
|
|
if ((version_compare(PHP_VERSION, '5.3', '<') || !gc_enabled()) && !ini_get('zend.ze1_compatibility_mode'))
|
|
{
|
|
if (!empty($this->data['items']))
|
|
{
|
|
foreach ($this->data['items'] as $item)
|
|
{
|
|
$item->__destruct();
|
|
}
|
|
unset($item, $this->data['items']);
|
|
}
|
|
if (!empty($this->data['ordered_items']))
|
|
{
|
|
foreach ($this->data['ordered_items'] as $item)
|
|
{
|
|
$item->__destruct();
|
|
}
|
|
unset($item, $this->data['ordered_items']);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Force the given data/URL to be treated as a feed no matter what it
|
|
* appears like
|
|
*
|
|
* @access public
|
|
* @since 1.1
|
|
* @param bool $enable Force the given data/URL to be treated as a feed
|
|
*/
|
|
public function force_feed($enable = false)
|
|
{
|
|
$this->force_feed = (bool) $enable;
|
|
}
|
|
|
|
/**
|
|
* This is the URL of the feed you want to parse.
|
|
*
|
|
* This allows you to enter the URL of the feed you want to parse, or the
|
|
* website you want to try to use auto-discovery on. This takes priority
|
|
* over any set raw data.
|
|
*
|
|
* You can set multiple feeds to mash together by passing an array instead
|
|
* of a string for the $url. Remember that with each additional feed comes
|
|
* additional processing and resources.
|
|
*
|
|
* @access public
|
|
* @since 1.0 Preview Release
|
|
* @param mixed $url This is the URL (or array of URLs) that you want to parse.
|
|
* @see SimplePie::set_raw_data()
|
|
*/
|
|
public function set_feed_url($url)
|
|
{
|
|
if (is_array($url))
|
|
{
|
|
$this->multifeed_url = array();
|
|
foreach ($url as $value)
|
|
{
|
|
$this->multifeed_url[] = SimplePie_Misc::fix_protocol($value, 1);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$this->feed_url = SimplePie_Misc::fix_protocol($url, 1);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Provides an instance of SimplePie_File to use as a feed
|
|
*
|
|
* @access public
|
|
* @param object &$file Instance of SimplePie_File (or subclass)
|
|
* @return bool True on success, false on failure
|
|
*/
|
|
public function set_file(&$file)
|
|
{
|
|
if (is_a($file, 'SimplePie_File'))
|
|
{
|
|
$this->feed_url = $file->url;
|
|
$this->file =& $file;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Allows you to use a string of RSS/Atom data instead of a remote feed.
|
|
*
|
|
* If you have a feed available as a string in PHP, you can tell SimplePie
|
|
* to parse that data string instead of a remote feed. Any set feed URL
|
|
* takes precedence.
|
|
*
|
|
* @access public
|
|
* @since 1.0 Beta 3
|
|
* @param string $data RSS or Atom data as a string.
|
|
* @see SimplePie::set_feed_url()
|
|
*/
|
|
public function set_raw_data($data)
|
|
{
|
|
$this->raw_data = $data;
|
|
}
|
|
|
|
/**
|
|
* Allows you to override the default timeout for fetching remote feeds.
|
|
*
|
|
* This allows you to change the maximum time the feed's server to respond
|
|
* and send the feed back.
|
|
*
|
|
* @access public
|
|
* @since 1.0 Beta 3
|
|
* @param int $timeout The maximum number of seconds to spend waiting to retrieve a feed.
|
|
*/
|
|
public function set_timeout($timeout = 10)
|
|
{
|
|
$this->timeout = (int) $timeout;
|
|
}
|
|
|
|
/**
|
|
* Forces SimplePie to use fsockopen() instead of the preferred cURL
|
|
* functions.
|
|
*
|
|
* @access public
|
|
* @since 1.0 Beta 3
|
|
* @param bool $enable Force fsockopen() to be used
|
|
*/
|
|
public function force_fsockopen($enable = false)
|
|
{
|
|
$this->force_fsockopen = (bool) $enable;
|
|
}
|
|
|
|
/**
|
|
* Enables/disables caching in SimplePie.
|
|
*
|
|
* This option allows you to disable caching all-together in SimplePie.
|
|
* However, disabling the cache can lead to longer load times.
|
|
*
|
|
* @access public
|
|
* @since 1.0 Preview Release
|
|
* @param bool $enable Enable caching
|
|
*/
|
|
public function enable_cache($enable = true)
|
|
{
|
|
$this->cache = (bool) $enable;
|
|
}
|
|
|
|
/**
|
|
* Set the length of time (in seconds) that the contents of a feed
|
|
* will be cached.
|
|
*
|
|
* @access public
|
|
* @param int $seconds The feed content cache duration.
|
|
*/
|
|
public function set_cache_duration($seconds = 3600)
|
|
{
|
|
$this->cache_duration = (int) $seconds;
|
|
}
|
|
|
|
/**
|
|
* Set the length of time (in seconds) that the autodiscovered feed
|
|
* URL will be cached.
|
|
*
|
|
* @access public
|
|
* @param int $seconds The autodiscovered feed URL cache duration.
|
|
*/
|
|
public function set_autodiscovery_cache_duration($seconds = 604800)
|
|
{
|
|
$this->autodiscovery_cache_duration = (int) $seconds;
|
|
}
|
|
|
|
/**
|
|
* Set the file system location where the cached files should be stored.
|
|
*
|
|
* @access public
|
|
* @param string $location The file system location.
|
|
*/
|
|
public function set_cache_location($location = './cache')
|
|
{
|
|
$this->cache_location = (string) $location;
|
|
}
|
|
|
|
/**
|
|
* Determines whether feed items should be sorted into reverse chronological order.
|
|
*
|
|
* @access public
|
|
* @param bool $enable Sort as reverse chronological order.
|
|
*/
|
|
public function enable_order_by_date($enable = true)
|
|
{
|
|
$this->order_by_date = (bool) $enable;
|
|
}
|
|
|
|
/**
|
|
* Allows you to override the character encoding reported by the feed.
|
|
*
|
|
* @access public
|
|
* @param string $encoding Character encoding.
|
|
*/
|
|
public function set_input_encoding($encoding = false)
|
|
{
|
|
if ($encoding)
|
|
{
|
|
$this->input_encoding = (string) $encoding;
|
|
}
|
|
else
|
|
{
|
|
$this->input_encoding = false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set how much feed autodiscovery to do
|
|
*
|
|
* @access public
|
|
* @see SIMPLEPIE_LOCATOR_NONE
|
|
* @see SIMPLEPIE_LOCATOR_AUTODISCOVERY
|
|
* @see SIMPLEPIE_LOCATOR_LOCAL_EXTENSION
|
|
* @see SIMPLEPIE_LOCATOR_LOCAL_BODY
|
|
* @see SIMPLEPIE_LOCATOR_REMOTE_EXTENSION
|
|
* @see SIMPLEPIE_LOCATOR_REMOTE_BODY
|
|
* @see SIMPLEPIE_LOCATOR_ALL
|
|
* @param int $level Feed Autodiscovery Level (level can be a
|
|
* combination of the above constants, see bitwise OR operator)
|
|
*/
|
|
public function set_autodiscovery_level($level = SIMPLEPIE_LOCATOR_ALL)
|
|
{
|
|
$this->autodiscovery = (int) $level;
|
|
}
|
|
|
|
/**
|
|
* Allows you to change which class SimplePie uses for caching.
|
|
* Useful when you are overloading or extending SimplePie's default classes.
|
|
*
|
|
* @access public
|
|
* @param string $class Name of custom class.
|
|
* @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
|
|
*/
|
|
public function set_cache_class($class = 'SimplePie_Cache')
|
|
{
|
|
if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Cache'))
|
|
{
|
|
$this->cache_class = $class;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Allows you to change which class SimplePie uses for auto-discovery.
|
|
* Useful when you are overloading or extending SimplePie's default classes.
|
|
*
|
|
* @access public
|
|
* @param string $class Name of custom class.
|
|
* @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
|
|
*/
|
|
public function set_locator_class($class = 'SimplePie_Locator')
|
|
{
|
|
if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Locator'))
|
|
{
|
|
$this->locator_class = $class;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Allows you to change which class SimplePie uses for XML parsing.
|
|
* Useful when you are overloading or extending SimplePie's default classes.
|
|
*
|
|
* @access public
|
|
* @param string $class Name of custom class.
|
|
* @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
|
|
*/
|
|
public function set_parser_class($class = 'SimplePie_Parser')
|
|
{
|
|
if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Parser'))
|
|
{
|
|
$this->parser_class = $class;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Allows you to change which class SimplePie uses for remote file fetching.
|
|
* Useful when you are overloading or extending SimplePie's default classes.
|
|
*
|
|
* @access public
|
|
* @param string $class Name of custom class.
|
|
* @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
|
|
*/
|
|
public function set_file_class($class = 'SimplePie_File')
|
|
{
|
|
if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_File'))
|
|
{
|
|
$this->file_class = $class;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Allows you to change which class SimplePie uses for data sanitization.
|
|
* Useful when you are overloading or extending SimplePie's default classes.
|
|
*
|
|
* @access public
|
|
* @param string $class Name of custom class.
|
|
* @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
|
|
*/
|
|
public function set_sanitize_class($class = 'SimplePie_Sanitize')
|
|
{
|
|
if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Sanitize'))
|
|
{
|
|
$this->sanitize = new $class();
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Allows you to change which class SimplePie uses for handling feed items.
|
|
* Useful when you are overloading or extending SimplePie's default classes.
|
|
*
|
|
* @access public
|
|
* @param string $class Name of custom class.
|
|
* @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
|
|
*/
|
|
public function set_item_class($class = 'SimplePie_Item')
|
|
{
|
|
if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Item'))
|
|
{
|
|
$this->item_class = $class;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Allows you to change which class SimplePie uses for handling author data.
|
|
* Useful when you are overloading or extending SimplePie's default classes.
|
|
*
|
|
* @access public
|
|
* @param string $class Name of custom class.
|
|
* @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
|
|
*/
|
|
public function set_author_class($class = 'SimplePie_Author')
|
|
{
|
|
if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Author'))
|
|
{
|
|
$this->author_class = $class;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Allows you to change which class SimplePie uses for handling category data.
|
|
* Useful when you are overloading or extending SimplePie's default classes.
|
|
*
|
|
* @access public
|
|
* @param string $class Name of custom class.
|
|
* @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
|
|
*/
|
|
public function set_category_class($class = 'SimplePie_Category')
|
|
{
|
|
if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Category'))
|
|
{
|
|
$this->category_class = $class;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Allows you to change which class SimplePie uses for feed enclosures.
|
|
* Useful when you are overloading or extending SimplePie's default classes.
|
|
*
|
|
* @access public
|
|
* @param string $class Name of custom class.
|
|
* @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
|
|
*/
|
|
public function set_enclosure_class($class = 'SimplePie_Enclosure')
|
|
{
|
|
if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Enclosure'))
|
|
{
|
|
$this->enclosure_class = $class;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Allows you to change which class SimplePie uses for <media:text> captions
|
|
* Useful when you are overloading or extending SimplePie's default classes.
|
|
*
|
|
* @access public
|
|
* @param string $class Name of custom class.
|
|
* @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
|
|
*/
|
|
public function set_caption_class($class = 'SimplePie_Caption')
|
|
{
|
|
if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Caption'))
|
|
{
|
|
$this->caption_class = $class;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Allows you to change which class SimplePie uses for <media:copyright>
|
|
* Useful when you are overloading or extending SimplePie's default classes.
|
|
*
|
|
* @access public
|
|
* @param string $class Name of custom class.
|
|
* @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
|
|
*/
|
|
public function set_copyright_class($class = 'SimplePie_Copyright')
|
|
{
|
|
if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Copyright'))
|
|
{
|
|
$this->copyright_class = $class;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Allows you to change which class SimplePie uses for <media:credit>
|
|
* Useful when you are overloading or extending SimplePie's default classes.
|
|
*
|
|
* @access public
|
|
* @param string $class Name of custom class.
|
|
* @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
|
|
*/
|
|
public function set_credit_class($class = 'SimplePie_Credit')
|
|
{
|
|
if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Credit'))
|
|
{
|
|
$this->credit_class = $class;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Allows you to change which class SimplePie uses for <media:rating>
|
|
* Useful when you are overloading or extending SimplePie's default classes.
|
|
*
|
|
* @access public
|
|
* @param string $class Name of custom class.
|
|
* @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
|
|
*/
|
|
public function set_rating_class($class = 'SimplePie_Rating')
|
|
{
|
|
if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Rating'))
|
|
{
|
|
$this->rating_class = $class;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Allows you to change which class SimplePie uses for <media:restriction>
|
|
* Useful when you are overloading or extending SimplePie's default classes.
|
|
*
|
|
* @access public
|
|
* @param string $class Name of custom class.
|
|
* @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
|
|
*/
|
|
public function set_restriction_class($class = 'SimplePie_Restriction')
|
|
{
|
|
if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Restriction'))
|
|
{
|
|
$this->restriction_class = $class;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Allows you to change which class SimplePie uses for content-type sniffing.
|
|
* Useful when you are overloading or extending SimplePie's default classes.
|
|
*
|
|
* @access public
|
|
* @param string $class Name of custom class.
|
|
* @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
|
|
*/
|
|
public function set_content_type_sniffer_class($class = 'SimplePie_Content_Type_Sniffer')
|
|
{
|
|
if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Content_Type_Sniffer'))
|
|
{
|
|
$this->content_type_sniffer_class = $class;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Allows you to change which class SimplePie uses item sources.
|
|
* Useful when you are overloading or extending SimplePie's default classes.
|
|
*
|
|
* @access public
|
|
* @param string $class Name of custom class.
|
|
* @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
|
|
*/
|
|
public function set_source_class($class = 'SimplePie_Source')
|
|
{
|
|
if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Source'))
|
|
{
|
|
$this->source_class = $class;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Allows you to override the default user agent string.
|
|
*
|
|
* @access public
|
|
* @param string $ua New user agent string.
|
|
*/
|
|
public function set_useragent($ua = SIMPLEPIE_USERAGENT)
|
|
{
|
|
$this->useragent = (string) $ua;
|
|
}
|
|
|
|
/**
|
|
* Set callback function to create cache filename with
|
|
*
|
|
* @access public
|
|
* @param mixed $function Callback function
|
|
*/
|
|
public function set_cache_name_function($function = 'md5')
|
|
{
|
|
if (is_callable($function))
|
|
{
|
|
$this->cache_name_function = $function;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set options to make SP as fast as possible. Forgoes a
|
|
* substantial amount of data sanitization in favor of speed.
|
|
*
|
|
* @access public
|
|
* @param bool $set Whether to set them or not
|
|
*/
|
|
public function set_stupidly_fast($set = false)
|
|
{
|
|
if ($set)
|
|
{
|
|
$this->enable_order_by_date(false);
|
|
$this->remove_div(false);
|
|
$this->strip_comments(false);
|
|
$this->strip_htmltags(false);
|
|
$this->strip_attributes(false);
|
|
$this->set_image_handler(false);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set maximum number of feeds to check with autodiscovery
|
|
*
|
|
* @access public
|
|
* @param int $max Maximum number of feeds to check
|
|
*/
|
|
public function set_max_checked_feeds($max = 10)
|
|
{
|
|
$this->max_checked_feeds = (int) $max;
|
|
}
|
|
|
|
public function remove_div($enable = true)
|
|
{
|
|
$this->sanitize->remove_div($enable);
|
|
}
|
|
|
|
public function strip_htmltags($tags = '', $encode = null)
|
|
{
|
|
if ($tags === '')
|
|
{
|
|
$tags = $this->strip_htmltags;
|
|
}
|
|
$this->sanitize->strip_htmltags($tags);
|
|
if ($encode !== null)
|
|
{
|
|
$this->sanitize->encode_instead_of_strip($tags);
|
|
}
|
|
}
|
|
|
|
public function encode_instead_of_strip($enable = true)
|
|
{
|
|
$this->sanitize->encode_instead_of_strip($enable);
|
|
}
|
|
|
|
public function strip_attributes($attribs = '')
|
|
{
|
|
if ($attribs === '')
|
|
{
|
|
$attribs = $this->strip_attributes;
|
|
}
|
|
$this->sanitize->strip_attributes($attribs);
|
|
}
|
|
|
|
public function set_output_encoding($encoding = 'UTF-8')
|
|
{
|
|
$this->sanitize->set_output_encoding($encoding);
|
|
}
|
|
|
|
public function strip_comments($strip = false)
|
|
{
|
|
$this->sanitize->strip_comments($strip);
|
|
}
|
|
|
|
/**
|
|
* Set element/attribute key/value pairs of HTML attributes
|
|
* containing URLs that need to be resolved relative to the feed
|
|
*
|
|
* @access public
|
|
* @since 1.0
|
|
* @param array $element_attribute Element/attribute key/value pairs
|
|
*/
|
|
public function set_url_replacements($element_attribute = array('a' => 'href', 'area' => 'href', 'blockquote' => 'cite', 'del' => 'cite', 'form' => 'action', 'img' => array('longdesc', 'src'), 'input' => 'src', 'ins' => 'cite', 'q' => 'cite'))
|
|
{
|
|
$this->sanitize->set_url_replacements($element_attribute);
|
|
}
|
|
|
|
/**
|
|
* Set the handler to enable the display of cached images.
|
|
*
|
|
* @access public
|
|
* @param str $page Web-accessible path to the handler_image.php file.
|
|
* @param str $qs The query string that the value should be passed to.
|
|
*/
|
|
public function set_image_handler($page = false, $qs = 'i')
|
|
{
|
|
if ($page !== false)
|
|
{
|
|
$this->sanitize->set_image_handler($page . '?' . $qs . '=');
|
|
}
|
|
else
|
|
{
|
|
$this->image_handler = '';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set the limit for items returned per-feed with multifeeds.
|
|
*
|
|
* @access public
|
|
* @param integer $limit The maximum number of items to return.
|
|
*/
|
|
public function set_item_limit($limit = 0)
|
|
{
|
|
$this->item_limit = (int) $limit;
|
|
}
|
|
|
|
public function init()
|
|
{
|
|
// Check absolute bare minimum requirements.
|
|
if ((function_exists('version_compare') && version_compare(PHP_VERSION, '5.0', '<')) || !extension_loaded('xml') || !extension_loaded('pcre'))
|
|
{
|
|
return false;
|
|
}
|
|
// Then check the xml extension is sane (i.e., libxml 2.7.x issue on PHP < 5.2.9 and libxml 2.7.0 to 2.7.2 on any version) if we don't have xmlreader.
|
|
elseif (!extension_loaded('xmlreader'))
|
|
{
|
|
static $xml_is_sane = null;
|
|
if ($xml_is_sane === null)
|
|
{
|
|
$parser_check = xml_parser_create();
|
|
xml_parse_into_struct($parser_check, '<foo>&</foo>', $values);
|
|
xml_parser_free($parser_check);
|
|
$xml_is_sane = isset($values[0]['value']);
|
|
}
|
|
if (!$xml_is_sane)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Pass whatever was set with config options over to the sanitizer.
|
|
$this->sanitize->pass_cache_data($this->cache, $this->cache_location, $this->cache_name_function, $this->cache_class);
|
|
$this->sanitize->pass_file_data($this->file_class, $this->timeout, $this->useragent, $this->force_fsockopen);
|
|
|
|
if ($this->feed_url !== null || $this->raw_data !== null)
|
|
{
|
|
$this->error = null;
|
|
$this->data = array();
|
|
$this->multifeed_objects = array();
|
|
$cache = false;
|
|
|
|
if ($this->feed_url !== null)
|
|
{
|
|
$parsed_feed_url = SimplePie_Misc::parse_url($this->feed_url);
|
|
// Decide whether to enable caching
|
|
if ($this->cache && $parsed_feed_url['scheme'] !== '')
|
|
{
|
|
$cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, call_user_func($this->cache_name_function, $this->feed_url), 'spc');
|
|
}
|
|
// If it's enabled and we don't want an XML dump, use the cache
|
|
if ($cache && !$this->xml_dump)
|
|
{
|
|
// Load the Cache
|
|
$this->data = $cache->load();
|
|
if (!empty($this->data))
|
|
{
|
|
// If the cache is for an outdated build of SimplePie
|
|
if (!isset($this->data['build']) || $this->data['build'] !== SIMPLEPIE_BUILD)
|
|
{
|
|
$cache->unlink();
|
|
$this->data = array();
|
|
}
|
|
// If we've hit a collision just rerun it with caching disabled
|
|
elseif (isset($this->data['url']) && $this->data['url'] !== $this->feed_url)
|
|
{
|
|
$cache = false;
|
|
$this->data = array();
|
|
}
|
|
// If we've got a non feed_url stored (if the page isn't actually a feed, or is a redirect) use that URL.
|
|
elseif (isset($this->data['feed_url']))
|
|
{
|
|
// If the autodiscovery cache is still valid use it.
|
|
if ($cache->mtime() + $this->autodiscovery_cache_duration > time())
|
|
{
|
|
// Do not need to do feed autodiscovery yet.
|
|
if ($this->data['feed_url'] === $this->data['url'])
|
|
{
|
|
$cache->unlink();
|
|
$this->data = array();
|
|
}
|
|
else
|
|
{
|
|
$this->set_feed_url($this->data['feed_url']);
|
|
return $this->init();
|
|
}
|
|
}
|
|
}
|
|
// Check if the cache has been updated
|
|
elseif ($cache->mtime() + $this->cache_duration < time())
|
|
{
|
|
// If we have last-modified and/or etag set
|
|
if (isset($this->data['headers']['last-modified']) || isset($this->data['headers']['etag']))
|
|
{
|
|
$headers = array(
|
|
'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1',
|
|
);
|
|
if (isset($this->data['headers']['last-modified']))
|
|
{
|
|
$headers['if-modified-since'] = $this->data['headers']['last-modified'];
|
|
}
|
|
if (isset($this->data['headers']['etag']))
|
|
{
|
|
$headers['if-none-match'] = $this->data['headers']['etag'];
|
|
}
|
|
|
|
$file = new $this->file_class($this->feed_url, $this->timeout/10, 5, $headers, $this->useragent, $this->force_fsockopen);
|
|
|
|
if ($file->success)
|
|
{
|
|
if ($file->status_code === 304)
|
|
{
|
|
$cache->touch();
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
$headers = $file->headers;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
unset($file);
|
|
}
|
|
}
|
|
}
|
|
// If the cache is still valid, just return true
|
|
else
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
// If the cache is empty, delete it
|
|
else
|
|
{
|
|
$cache->unlink();
|
|
$this->data = array();
|
|
}
|
|
}
|
|
// If we don't already have the file (it'll only exist if we've opened it to check if the cache has been modified), open it.
|
|
if (!isset($file))
|
|
{
|
|
if (is_a($this->file, 'SimplePie_File') && $this->file->url === $this->feed_url)
|
|
{
|
|
$file =& $this->file;
|
|
}
|
|
else
|
|
{
|
|
$headers = array(
|
|
'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1',
|
|
);
|
|
$file = new $this->file_class($this->feed_url, $this->timeout, 5, $headers, $this->useragent, $this->force_fsockopen);
|
|
}
|
|
}
|
|
// If the file connection has an error, set SimplePie::error to that and quit
|
|
if (!$file->success && !($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($file->status_code === 200 || $file->status_code > 206 && $file->status_code < 300)))
|
|
{
|
|
$this->error = $file->error;
|
|
if (!empty($this->data))
|
|
{
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (!$this->force_feed)
|
|
{
|
|
// Check if the supplied URL is a feed, if it isn't, look for it.
|
|
$locate = new $this->locator_class($file, $this->timeout, $this->useragent, $this->file_class, $this->max_checked_feeds, $this->content_type_sniffer_class);
|
|
|
|
if (!$locate->is_feed($file))
|
|
{
|
|
// We need to unset this so that if SimplePie::set_file() has been called that object is untouched
|
|
unset($file);
|
|
if ($file = $locate->find($this->autodiscovery, $this->all_discovered_feeds))
|
|
{
|
|
if ($cache)
|
|
{
|
|
$this->data = array('url' => $this->feed_url, 'feed_url' => $file->url, 'build' => SIMPLEPIE_BUILD);
|
|
if (!$cache->save($this))
|
|
{
|
|
trigger_error("$this->cache_location is not writeable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING);
|
|
}
|
|
$cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, call_user_func($this->cache_name_function, $file->url), 'spc');
|
|
}
|
|
$this->feed_url = $file->url;
|
|
}
|
|
else
|
|
{
|
|
$this->error = "A feed could not be found at $this->feed_url. A feed with an invalid mime type may fall victim to this error, or " . SIMPLEPIE_NAME . " was unable to auto-discover it.. Use force_feed() if you are certain this URL is a real feed.";
|
|
SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__);
|
|
return false;
|
|
}
|
|
}
|
|
$locate = null;
|
|
}
|
|
|
|
$headers = $file->headers;
|
|
$data = $file->body;
|
|
$sniffer = new $this->content_type_sniffer_class($file);
|
|
$sniffed = $sniffer->get_type();
|
|
}
|
|
else
|
|
{
|
|
$data = $this->raw_data;
|
|
}
|
|
|
|
// Set up array of possible encodings
|
|
$encodings = array();
|
|
|
|
// First check to see if input has been overridden.
|
|
if ($this->input_encoding !== false)
|
|
{
|
|
$encodings[] = $this->input_encoding;
|
|
}
|
|
|
|
$application_types = array('application/xml', 'application/xml-dtd', 'application/xml-external-parsed-entity');
|
|
$text_types = array('text/xml', 'text/xml-external-parsed-entity');
|
|
|
|
// RFC 3023 (only applies to sniffed content)
|
|
if (isset($sniffed))
|
|
{
|
|
if (in_array($sniffed, $application_types) || substr($sniffed, 0, 12) === 'application/' && substr($sniffed, -4) === '+xml')
|
|
{
|
|
if (isset($headers['content-type']) && preg_match('/;\x20?charset=([^;]*)/i', $headers['content-type'], $charset))
|
|
{
|
|
$encodings[] = strtoupper($charset[1]);
|
|
}
|
|
$encodings = array_merge($encodings, SimplePie_Misc::xml_encoding($data));
|
|
$encodings[] = 'UTF-8';
|
|
}
|
|
elseif (in_array($sniffed, $text_types) || substr($sniffed, 0, 5) === 'text/' && substr($sniffed, -4) === '+xml')
|
|
{
|
|
if (isset($headers['content-type']) && preg_match('/;\x20?charset=([^;]*)/i', $headers['content-type'], $charset))
|
|
{
|
|
$encodings[] = $charset[1];
|
|
}
|
|
$encodings[] = 'US-ASCII';
|
|
}
|
|
// Text MIME-type default
|
|
elseif (substr($sniffed, 0, 5) === 'text/')
|
|
{
|
|
$encodings[] = 'US-ASCII';
|
|
}
|
|
}
|
|
|
|
// Fallback to XML 1.0 Appendix F.1/UTF-8/ISO-8859-1
|
|
$encodings = array_merge($encodings, SimplePie_Misc::xml_encoding($data));
|
|
$encodings[] = 'UTF-8';
|
|
$encodings[] = 'ISO-8859-1';
|
|
|
|
// There's no point in trying an encoding twice
|
|
$encodings = array_unique($encodings);
|
|
|
|
// If we want the XML, just output that with the most likely encoding and quit
|
|
if ($this->xml_dump)
|
|
{
|
|
header('Content-type: text/xml; charset=' . $encodings[0]);
|
|
echo $data;
|
|
exit;
|
|
}
|
|
|
|
// Loop through each possible encoding, till we return something, or run out of possibilities
|
|
foreach ($encodings as $encoding)
|
|
{
|
|
// Change the encoding to UTF-8 (as we always use UTF-8 internally)
|
|
if ($utf8_data = SimplePie_Misc::change_encoding($data, $encoding, 'UTF-8'))
|
|
{
|
|
// Create new parser
|
|
$parser = new $this->parser_class();
|
|
|
|
// If it's parsed fine
|
|
if ($parser->parse($utf8_data, 'UTF-8'))
|
|
{
|
|
$this->data = $parser->get_data();
|
|
if ($this->get_type() & ~SIMPLEPIE_TYPE_NONE)
|
|
{
|
|
if (isset($headers))
|
|
{
|
|
$this->data['headers'] = $headers;
|
|
}
|
|
$this->data['build'] = SIMPLEPIE_BUILD;
|
|
|
|
// Cache the file if caching is enabled
|
|
if ($cache && !$cache->save($this))
|
|
{
|
|
trigger_error("$this->cache_location is not writeable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING);
|
|
}
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
$this->error = "A feed could not be found at $this->feed_url. This does not appear to be a valid RSS or Atom feed.";
|
|
SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__);
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isset($parser))
|
|
{
|
|
// We have an error, just set SimplePie_Misc::error to it and quit
|
|
$this->error = sprintf('This XML document is invalid, likely due to invalid characters. XML error: %s at line %d, column %d', $parser->get_error_string(), $parser->get_current_line(), $parser->get_current_column());
|
|
}
|
|
else
|
|
{
|
|
$this->error = 'The data could not be converted to UTF-8. You MUST have either the iconv or mbstring extension installed. Upgrading to PHP 5.x (which includes iconv) is highly recommended.';
|
|
}
|
|
|
|
SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__);
|
|
|
|
return false;
|
|
}
|
|
elseif (!empty($this->multifeed_url))
|
|
{
|
|
$i = 0;
|
|
$success = 0;
|
|
$this->multifeed_objects = array();
|
|
foreach ($this->multifeed_url as $url)
|
|
{
|
|
$this->multifeed_objects[$i] = clone $this;
|
|
$this->multifeed_objects[$i]->set_feed_url($url);
|
|
$success |= $this->multifeed_objects[$i]->init();
|
|
$i++;
|
|
}
|
|
return (bool) $success;
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return the error message for the occured error
|
|
*
|
|
* @access public
|
|
* @return string Error message
|
|
*/
|
|
public function error()
|
|
{
|
|
return $this->error;
|
|
}
|
|
|
|
public function get_encoding()
|
|
{
|
|
return $this->sanitize->output_encoding;
|
|
}
|
|
|
|
public function handle_content_type($mime = 'text/html')
|
|
{
|
|
if (!headers_sent())
|
|
{
|
|
$header = "Content-type: $mime;";
|
|
if ($this->get_encoding())
|
|
{
|
|
$header .= ' charset=' . $this->get_encoding();
|
|
}
|
|
else
|
|
{
|
|
$header .= ' charset=UTF-8';
|
|
}
|
|
header($header);
|
|
}
|
|
}
|
|
|
|
public function get_type()
|
|
{
|
|
if (!isset($this->data['type']))
|
|
{
|
|
$this->data['type'] = SIMPLEPIE_TYPE_ALL;
|
|
if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed']))
|
|
{
|
|
$this->data['type'] &= SIMPLEPIE_TYPE_ATOM_10;
|
|
}
|
|
elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed']))
|
|
{
|
|
$this->data['type'] &= SIMPLEPIE_TYPE_ATOM_03;
|
|
}
|
|
elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF']))
|
|
{
|
|
if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['channel'])
|
|
|| isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['image'])
|
|
|| isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item'])
|
|
|| isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['textinput']))
|
|
{
|
|
$this->data['type'] &= SIMPLEPIE_TYPE_RSS_10;
|
|
}
|
|
if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['channel'])
|
|
|| isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['image'])
|
|
|| isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item'])
|
|
|| isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['textinput']))
|
|
{
|
|
$this->data['type'] &= SIMPLEPIE_TYPE_RSS_090;
|
|
}
|
|
}
|
|
elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss']))
|
|
{
|
|
$this->data['type'] &= SIMPLEPIE_TYPE_RSS_ALL;
|
|
if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['attribs']['']['version']))
|
|
{
|
|
switch (trim($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['attribs']['']['version']))
|
|
{
|
|
case '0.91':
|
|
$this->data['type'] &= SIMPLEPIE_TYPE_RSS_091;
|
|
if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['skiphours']['hour'][0]['data']))
|
|
{
|
|
switch (trim($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['skiphours']['hour'][0]['data']))
|
|
{
|
|
case '0':
|
|
$this->data['type'] &= SIMPLEPIE_TYPE_RSS_091_NETSCAPE;
|
|
break;
|
|
|
|
case '24':
|
|
$this->data['type'] &= SIMPLEPIE_TYPE_RSS_091_USERLAND;
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case '0.92':
|
|
$this->data['type'] &= SIMPLEPIE_TYPE_RSS_092;
|
|
break;
|
|
|
|
case '0.93':
|
|
$this->data['type'] &= SIMPLEPIE_TYPE_RSS_093;
|
|
break;
|
|
|
|
case '0.94':
|
|
$this->data['type'] &= SIMPLEPIE_TYPE_RSS_094;
|
|
break;
|
|
|
|
case '2.0':
|
|
$this->data['type'] &= SIMPLEPIE_TYPE_RSS_20;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$this->data['type'] = SIMPLEPIE_TYPE_NONE;
|
|
}
|
|
}
|
|
return $this->data['type'];
|
|
}
|
|
|
|
/**
|
|
* @todo If we have a perm redirect we should return the new URL
|
|
* @todo When we make the above change, let's support <itunes:new-feed-url> as well
|
|
* @todo Also, |atom:link|@rel=self
|
|
*/
|
|
public function subscribe_url()
|
|
{
|
|
if ($this->feed_url !== null)
|
|
{
|
|
return $this->sanitize($this->feed_url, SIMPLEPIE_CONSTRUCT_IRI);
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_feed_tags($namespace, $tag)
|
|
{
|
|
$type = $this->get_type();
|
|
if ($type & SIMPLEPIE_TYPE_ATOM_10)
|
|
{
|
|
if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['child'][$namespace][$tag]))
|
|
{
|
|
return $this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['child'][$namespace][$tag];
|
|
}
|
|
}
|
|
if ($type & SIMPLEPIE_TYPE_ATOM_03)
|
|
{
|
|
if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['child'][$namespace][$tag]))
|
|
{
|
|
return $this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['child'][$namespace][$tag];
|
|
}
|
|
}
|
|
if ($type & SIMPLEPIE_TYPE_RSS_RDF)
|
|
{
|
|
if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][$namespace][$tag]))
|
|
{
|
|
return $this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][$namespace][$tag];
|
|
}
|
|
}
|
|
if ($type & SIMPLEPIE_TYPE_RSS_SYNDICATION)
|
|
{
|
|
if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][$namespace][$tag]))
|
|
{
|
|
return $this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][$namespace][$tag];
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
public function get_channel_tags($namespace, $tag)
|
|
{
|
|
$type = $this->get_type();
|
|
if ($type & SIMPLEPIE_TYPE_ATOM_ALL)
|
|
{
|
|
if ($return = $this->get_feed_tags($namespace, $tag))
|
|
{
|
|
return $return;
|
|
}
|
|
}
|
|
if ($type & SIMPLEPIE_TYPE_RSS_10)
|
|
{
|
|
if ($channel = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'channel'))
|
|
{
|
|
if (isset($channel[0]['child'][$namespace][$tag]))
|
|
{
|
|
return $channel[0]['child'][$namespace][$tag];
|
|
}
|
|
}
|
|
}
|
|
if ($type & SIMPLEPIE_TYPE_RSS_090)
|
|
{
|
|
if ($channel = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'channel'))
|
|
{
|
|
if (isset($channel[0]['child'][$namespace][$tag]))
|
|
{
|
|
return $channel[0]['child'][$namespace][$tag];
|
|
}
|
|
}
|
|
}
|
|
if ($type & SIMPLEPIE_TYPE_RSS_SYNDICATION)
|
|
{
|
|
if ($channel = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'channel'))
|
|
{
|
|
if (isset($channel[0]['child'][$namespace][$tag]))
|
|
{
|
|
return $channel[0]['child'][$namespace][$tag];
|
|
}
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
public function get_image_tags($namespace, $tag)
|
|
{
|
|
$type = $this->get_type();
|
|
if ($type & SIMPLEPIE_TYPE_RSS_10)
|
|
{
|
|
if ($image = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'image'))
|
|
{
|
|
if (isset($image[0]['child'][$namespace][$tag]))
|
|
{
|
|
return $image[0]['child'][$namespace][$tag];
|
|
}
|
|
}
|
|
}
|
|
if ($type & SIMPLEPIE_TYPE_RSS_090)
|
|
{
|
|
if ($image = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'image'))
|
|
{
|
|
if (isset($image[0]['child'][$namespace][$tag]))
|
|
{
|
|
return $image[0]['child'][$namespace][$tag];
|
|
}
|
|
}
|
|
}
|
|
if ($type & SIMPLEPIE_TYPE_RSS_SYNDICATION)
|
|
{
|
|
if ($image = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'image'))
|
|
{
|
|
if (isset($image[0]['child'][$namespace][$tag]))
|
|
{
|
|
return $image[0]['child'][$namespace][$tag];
|
|
}
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
public function get_base($element = array())
|
|
{
|
|
if (!($this->get_type() & SIMPLEPIE_TYPE_RSS_SYNDICATION) && !empty($element['xml_base_explicit']) && isset($element['xml_base']))
|
|
{
|
|
return $element['xml_base'];
|
|
}
|
|
elseif ($this->get_link() !== null)
|
|
{
|
|
return $this->get_link();
|
|
}
|
|
else
|
|
{
|
|
return $this->subscribe_url();
|
|
}
|
|
}
|
|
|
|
public function sanitize($data, $type, $base = '')
|
|
{
|
|
return $this->sanitize->sanitize($data, $type, $base);
|
|
}
|
|
|
|
public function get_title()
|
|
{
|
|
if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_category($key = 0)
|
|
{
|
|
$categories = $this->get_categories();
|
|
if (isset($categories[$key]))
|
|
{
|
|
return $categories[$key];
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_categories()
|
|
{
|
|
$categories = array();
|
|
|
|
foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category)
|
|
{
|
|
$term = null;
|
|
$scheme = null;
|
|
$label = null;
|
|
if (isset($category['attribs']['']['term']))
|
|
{
|
|
$term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
if (isset($category['attribs']['']['scheme']))
|
|
{
|
|
$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
if (isset($category['attribs']['']['label']))
|
|
{
|
|
$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
$categories[] = new $this->category_class($term, $scheme, $label);
|
|
}
|
|
foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'category') as $category)
|
|
{
|
|
// This is really the label, but keep this as the term also for BC.
|
|
// Label will also work on retrieving because that falls back to term.
|
|
$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
if (isset($category['attribs']['']['domain']))
|
|
{
|
|
$scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
else
|
|
{
|
|
$scheme = null;
|
|
}
|
|
$categories[] = new $this->category_class($term, $scheme, null);
|
|
}
|
|
foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category)
|
|
{
|
|
$categories[] = new $this->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
|
|
}
|
|
foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category)
|
|
{
|
|
$categories[] = new $this->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
|
|
}
|
|
|
|
if (!empty($categories))
|
|
{
|
|
return SimplePie_Misc::array_unique($categories);
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_author($key = 0)
|
|
{
|
|
$authors = $this->get_authors();
|
|
if (isset($authors[$key]))
|
|
{
|
|
return $authors[$key];
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_authors()
|
|
{
|
|
$authors = array();
|
|
foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author)
|
|
{
|
|
$name = null;
|
|
$uri = null;
|
|
$email = null;
|
|
if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
|
|
{
|
|
$name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
|
|
{
|
|
$uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
|
|
}
|
|
if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
|
|
{
|
|
$email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
if ($name !== null || $email !== null || $uri !== null)
|
|
{
|
|
$authors[] = new $this->author_class($name, $uri, $email);
|
|
}
|
|
}
|
|
if ($author = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author'))
|
|
{
|
|
$name = null;
|
|
$url = null;
|
|
$email = null;
|
|
if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
|
|
{
|
|
$name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
|
|
{
|
|
$url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
|
|
}
|
|
if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
|
|
{
|
|
$email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
if ($name !== null || $email !== null || $url !== null)
|
|
{
|
|
$authors[] = new $this->author_class($name, $url, $email);
|
|
}
|
|
}
|
|
foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author)
|
|
{
|
|
$authors[] = new $this->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
|
|
}
|
|
foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author)
|
|
{
|
|
$authors[] = new $this->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
|
|
}
|
|
foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author)
|
|
{
|
|
$authors[] = new $this->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
|
|
}
|
|
|
|
if (!empty($authors))
|
|
{
|
|
return SimplePie_Misc::array_unique($authors);
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_contributor($key = 0)
|
|
{
|
|
$contributors = $this->get_contributors();
|
|
if (isset($contributors[$key]))
|
|
{
|
|
return $contributors[$key];
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_contributors()
|
|
{
|
|
$contributors = array();
|
|
foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor)
|
|
{
|
|
$name = null;
|
|
$uri = null;
|
|
$email = null;
|
|
if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
|
|
{
|
|
$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
|
|
{
|
|
$uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
|
|
}
|
|
if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
|
|
{
|
|
$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
if ($name !== null || $email !== null || $uri !== null)
|
|
{
|
|
$contributors[] = new $this->author_class($name, $uri, $email);
|
|
}
|
|
}
|
|
foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor)
|
|
{
|
|
$name = null;
|
|
$url = null;
|
|
$email = null;
|
|
if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
|
|
{
|
|
$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
|
|
{
|
|
$url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
|
|
}
|
|
if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
|
|
{
|
|
$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
if ($name !== null || $email !== null || $url !== null)
|
|
{
|
|
$contributors[] = new $this->author_class($name, $url, $email);
|
|
}
|
|
}
|
|
|
|
if (!empty($contributors))
|
|
{
|
|
return SimplePie_Misc::array_unique($contributors);
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_link($key = 0, $rel = 'alternate')
|
|
{
|
|
$links = $this->get_links($rel);
|
|
if (isset($links[$key]))
|
|
{
|
|
return $links[$key];
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Added for parity between the parent-level and the item/entry-level.
|
|
*/
|
|
public function get_permalink()
|
|
{
|
|
return $this->get_link(0);
|
|
}
|
|
|
|
public function get_links($rel = 'alternate')
|
|
{
|
|
if (!isset($this->data['links']))
|
|
{
|
|
$this->data['links'] = array();
|
|
if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link'))
|
|
{
|
|
foreach ($links as $link)
|
|
{
|
|
if (isset($link['attribs']['']['href']))
|
|
{
|
|
$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
|
|
$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
|
|
}
|
|
}
|
|
}
|
|
if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link'))
|
|
{
|
|
foreach ($links as $link)
|
|
{
|
|
if (isset($link['attribs']['']['href']))
|
|
{
|
|
$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
|
|
$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
|
|
|
|
}
|
|
}
|
|
}
|
|
if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link'))
|
|
{
|
|
$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
|
|
}
|
|
if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link'))
|
|
{
|
|
$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
|
|
}
|
|
if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link'))
|
|
{
|
|
$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
|
|
}
|
|
|
|
$keys = array_keys($this->data['links']);
|
|
foreach ($keys as $key)
|
|
{
|
|
if (SimplePie_Misc::is_isegment_nz_nc($key))
|
|
{
|
|
if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]))
|
|
{
|
|
$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]);
|
|
$this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key];
|
|
}
|
|
else
|
|
{
|
|
$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key];
|
|
}
|
|
}
|
|
elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY)
|
|
{
|
|
$this->data['links'][substr($key, 41)] =& $this->data['links'][$key];
|
|
}
|
|
$this->data['links'][$key] = array_unique($this->data['links'][$key]);
|
|
}
|
|
}
|
|
|
|
if (isset($this->data['links'][$rel]))
|
|
{
|
|
return $this->data['links'][$rel];
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_all_discovered_feeds()
|
|
{
|
|
return $this->all_discovered_feeds;
|
|
}
|
|
|
|
public function get_description()
|
|
{
|
|
if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'subtitle'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'tagline'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_copyright()
|
|
{
|
|
if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'copyright'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'copyright'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_language()
|
|
{
|
|
if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'language'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'language'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'language'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['xml_lang']))
|
|
{
|
|
return $this->sanitize($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['xml_lang']))
|
|
{
|
|
return $this->sanitize($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['xml_lang']))
|
|
{
|
|
return $this->sanitize($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif (isset($this->data['headers']['content-language']))
|
|
{
|
|
return $this->sanitize($this->data['headers']['content-language'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_latitude()
|
|
{
|
|
|
|
if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat'))
|
|
{
|
|
return (float) $return[0]['data'];
|
|
}
|
|
elseif (($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
|
|
{
|
|
return (float) $match[1];
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_longitude()
|
|
{
|
|
if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long'))
|
|
{
|
|
return (float) $return[0]['data'];
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon'))
|
|
{
|
|
return (float) $return[0]['data'];
|
|
}
|
|
elseif (($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
|
|
{
|
|
return (float) $match[2];
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_image_title()
|
|
{
|
|
if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_image_url()
|
|
{
|
|
if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'image'))
|
|
{
|
|
return $this->sanitize($return[0]['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI);
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'logo'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'icon'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'url'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'url'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'url'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_image_link()
|
|
{
|
|
if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_image_width()
|
|
{
|
|
if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'width'))
|
|
{
|
|
return round($return[0]['data']);
|
|
}
|
|
elseif ($this->get_type() & SIMPLEPIE_TYPE_RSS_SYNDICATION && $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'url'))
|
|
{
|
|
return 88.0;
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_image_height()
|
|
{
|
|
if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'height'))
|
|
{
|
|
return round($return[0]['data']);
|
|
}
|
|
elseif ($this->get_type() & SIMPLEPIE_TYPE_RSS_SYNDICATION && $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'url'))
|
|
{
|
|
return 31.0;
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_item_quantity($max = 0)
|
|
{
|
|
$max = (int) $max;
|
|
$qty = count($this->get_items());
|
|
if ($max === 0)
|
|
{
|
|
return $qty;
|
|
}
|
|
else
|
|
{
|
|
return ($qty > $max) ? $max : $qty;
|
|
}
|
|
}
|
|
|
|
public function get_item($key = 0)
|
|
{
|
|
$items = $this->get_items();
|
|
if (isset($items[$key]))
|
|
{
|
|
return $items[$key];
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_items($start = 0, $end = 0)
|
|
{
|
|
if (!isset($this->data['items']))
|
|
{
|
|
if (!empty($this->multifeed_objects))
|
|
{
|
|
$this->data['items'] = SimplePie::merge_items($this->multifeed_objects, $start, $end, $this->item_limit);
|
|
}
|
|
else
|
|
{
|
|
$this->data['items'] = array();
|
|
if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'entry'))
|
|
{
|
|
$keys = array_keys($items);
|
|
foreach ($keys as $key)
|
|
{
|
|
$this->data['items'][] = new $this->item_class($this, $items[$key]);
|
|
}
|
|
}
|
|
if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'entry'))
|
|
{
|
|
$keys = array_keys($items);
|
|
foreach ($keys as $key)
|
|
{
|
|
$this->data['items'][] = new $this->item_class($this, $items[$key]);
|
|
}
|
|
}
|
|
if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'item'))
|
|
{
|
|
$keys = array_keys($items);
|
|
foreach ($keys as $key)
|
|
{
|
|
$this->data['items'][] = new $this->item_class($this, $items[$key]);
|
|
}
|
|
}
|
|
if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'item'))
|
|
{
|
|
$keys = array_keys($items);
|
|
foreach ($keys as $key)
|
|
{
|
|
$this->data['items'][] = new $this->item_class($this, $items[$key]);
|
|
}
|
|
}
|
|
if ($items = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'item'))
|
|
{
|
|
$keys = array_keys($items);
|
|
foreach ($keys as $key)
|
|
{
|
|
$this->data['items'][] = new $this->item_class($this, $items[$key]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!empty($this->data['items']))
|
|
{
|
|
// If we want to order it by date, check if all items have a date, and then sort it
|
|
if ($this->order_by_date && empty($this->multifeed_objects))
|
|
{
|
|
if (!isset($this->data['ordered_items']))
|
|
{
|
|
$do_sort = true;
|
|
foreach ($this->data['items'] as $item)
|
|
{
|
|
if (!$item->get_date('U'))
|
|
{
|
|
$do_sort = false;
|
|
break;
|
|
}
|
|
}
|
|
$item = null;
|
|
$this->data['ordered_items'] = $this->data['items'];
|
|
if ($do_sort)
|
|
{
|
|
usort($this->data['ordered_items'], array(&$this, 'sort_items'));
|
|
}
|
|
}
|
|
$items = $this->data['ordered_items'];
|
|
}
|
|
else
|
|
{
|
|
$items = $this->data['items'];
|
|
}
|
|
|
|
// Slice the data as desired
|
|
if ($end === 0)
|
|
{
|
|
return array_slice($items, $start);
|
|
}
|
|
else
|
|
{
|
|
return array_slice($items, $start, $end);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
return array();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @static
|
|
*/
|
|
public function sort_items($a, $b)
|
|
{
|
|
return $a->get_date('U') <= $b->get_date('U');
|
|
}
|
|
|
|
/**
|
|
* @static
|
|
*/
|
|
public function merge_items($urls, $start = 0, $end = 0, $limit = 0)
|
|
{
|
|
if (is_array($urls) && sizeof($urls) > 0)
|
|
{
|
|
$items = array();
|
|
foreach ($urls as $arg)
|
|
{
|
|
if (is_a($arg, 'SimplePie'))
|
|
{
|
|
$items = array_merge($items, $arg->get_items(0, $limit));
|
|
}
|
|
else
|
|
{
|
|
trigger_error('Arguments must be SimplePie objects', E_USER_WARNING);
|
|
}
|
|
}
|
|
|
|
$do_sort = true;
|
|
foreach ($items as $item)
|
|
{
|
|
if (!$item->get_date('U'))
|
|
{
|
|
$do_sort = false;
|
|
break;
|
|
}
|
|
}
|
|
$item = null;
|
|
if ($do_sort)
|
|
{
|
|
usort($items, array('SimplePie', 'sort_items'));
|
|
}
|
|
|
|
if ($end === 0)
|
|
{
|
|
return array_slice($items, $start);
|
|
}
|
|
else
|
|
{
|
|
return array_slice($items, $start, $end);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
trigger_error('Cannot merge zero SimplePie objects', E_USER_WARNING);
|
|
return array();
|
|
}
|
|
}
|
|
} |