68 lines
1.8 KiB
PHP
68 lines
1.8 KiB
PHP
<?php
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/**
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* Copyright 2014 Openstack Foundation
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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/**
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* Class CSVExporter
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*/
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final class CSVExporter {
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/**
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* @var CSVExporter
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*/
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private static $instance;
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private function __construct(){}
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private function __clone(){}
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/**
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* @return CSVExporter
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*/
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public static function getInstance(){
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if(!is_object(self::$instance)){
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self::$instance = new CSVExporter();
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}
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return self::$instance;
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}
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/**
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* @param $filename
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* @param array $data
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* @param string $field_separator
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* @param string $mime_type
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*/
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public function export($filename, array $data, $field_separator = "\t", $mime_type ='application/vnd.ms-excel'){
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ob_end_clean();
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header("Content-Disposition: attachment; filename=\"$filename\"");
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header("Content-Type: ".$mime_type);
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$flag = false;
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foreach($data as $row) {
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if(!$flag) {
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// display field/column names as first row
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echo implode($field_separator, array_keys($row)) . "\n";
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$flag = true;
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}
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array_walk($row, array($this,'cleanData'));
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echo implode($field_separator, array_values($row)) . "\n";
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}
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}
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function cleanData(&$str)
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{
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$str = preg_replace("/\t/", "\\t", $str);
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$str = preg_replace("/\r?\n/", "\\n", $str);
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if(strstr($str, '"')) $str = '"' . str_replace('"', '""', $str) . '"';
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}
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}
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