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https://github.com/YunoHost-Apps/freshrss_ynh.git
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82 lines
1.9 KiB
PHP
82 lines
1.9 KiB
PHP
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<?php
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/**
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* MINZ - Copyright 2011 Marien Fressinaud
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* Sous licence AGPL3 <http://www.gnu.org/licenses/>
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*/
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/**
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* La classe Model_array représente le modèle interragissant avec les fichiers de type texte gérant des tableaux php
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*/
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class Minz_ModelArray {
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/**
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* $filename est le nom du fichier
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*/
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protected $filename;
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/**
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* Ouvre le fichier indiqué, charge le tableau dans $array et le $filename
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* @param $filename le nom du fichier à ouvrir contenant un tableau
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* Remarque : $array sera obligatoirement un tableau
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*/
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public function __construct ($filename) {
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$this->filename = $filename;
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}
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protected function loadArray() {
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if (!file_exists($this->filename)) {
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throw new Minz_FileNotExistException($this->filename, Minz_Exception::WARNING);
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}
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elseif (($handle = $this->getLock()) === false) {
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throw new Minz_PermissionDeniedException($this->filename);
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} else {
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$data = include($this->filename);
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$this->releaseLock($handle);
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if ($data === false) {
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throw new Minz_PermissionDeniedException($this->filename);
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} elseif (!is_array($data)) {
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$data = array();
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}
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return $data;
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}
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}
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/**
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* Sauve le tableau $array dans le fichier $filename
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**/
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protected function writeArray($array) {
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if (file_put_contents($this->filename, "<?php\n return " . var_export($array, true) . ';', LOCK_EX) === false) {
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throw new Minz_PermissionDeniedException($this->filename);
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}
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if (function_exists('opcache_invalidate')) {
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opcache_invalidate($this->filename); //Clear PHP 5.5+ cache for include
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}
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return true;
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}
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private function getLock() {
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$handle = fopen($this->filename, 'r');
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if ($handle === false) {
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return false;
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}
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$count = 50;
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while (!flock($handle, LOCK_SH) && $count > 0) {
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$count--;
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usleep(1000);
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}
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if ($count > 0) {
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return $handle;
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} else {
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fclose($handle);
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return false;
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}
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}
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private function releaseLock($handle) {
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flock($handle, LOCK_UN);
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fclose($handle);
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}
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}
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