www.gusucode.com > Flarum PHP论坛 中文版 v0.1 beta7源码程序 > FlarumChina-master/vendor/intervention/image/src/Intervention/Image/Gd/Commands/ResetCommand.php
<?php namespace Intervention\Image\Gd\Commands; class ResetCommand extends \Intervention\Image\Commands\AbstractCommand { /** * Resets given image to its backup state * * @param \Intervention\Image\Image $image * @return boolean */ public function execute($image) { $backupName = $this->argument(0)->value(); if (is_resource($backup = $image->getBackup($backupName))) { // destroy current resource imagedestroy($image->getCore()); // clone backup $backup = $image->getDriver()->cloneCore($backup); // reset to new resource $image->setCore($backup); return true; } throw new \Intervention\Image\Exception\RuntimeException( "Backup not available. Call backup() before reset()." ); } }