77 lines
No EOL
2.3 KiB
PHP
77 lines
No EOL
2.3 KiB
PHP
<?php
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/*
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* This file is part of noalyss.
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*
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* noalyss is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* noalyss is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with NOALYSS; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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// Copyright Author Dany De Bontridder danydb@aevalys.eu 2002-2024
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/*!\file
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* \brief
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*/
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/*!
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*
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* \class
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*
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* \brief
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*/
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namespace Noalyss;
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class File_Cache
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{
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/**
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* @brief Check if the file exists, if yes then read otherwise take it from the url,
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* @param $url url to the file to get the content
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* @param $filename fullpath to the filename of the cache
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* @param $time_cache_second valid time, if the cache is older , than reload it from the url
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* @return void
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*/
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public static function get_content($url, $filename, $time_cache_second)
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{
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$content = null;
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if (file_exists($filename)) {
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$date_time = new \DateTime();
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$file_tmstamp = filemtime($filename);
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$delta = $date_time->getTimestamp() - $file_tmstamp;
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// if file too old , refresh it
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if ($delta > $time_cache_second) {
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$content = file_get_contents($url);
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$f_file = fopen($filename, "w+");
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if ( $f_file == false ) {
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return $content;
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}
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fwrite($f_file, $content);
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fclose($f_file);
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} else {
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$content = file_get_contents($filename);
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}
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} else {
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$content = @file_get_contents($url);
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$f_file = fopen($filename, "w+");
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if ( $f_file == false ) {
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return $content;
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}
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fwrite($f_file, $content);
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fclose($f_file);
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}
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return $content;
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}
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} |