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./othercms/croogo-4.0.7/vendor/intervention/image/src/Intervention/Image/Gd/Commands/ResetCommand.php
<?php

namespace Intervention\Image\Gd\Commands;

use
Intervention\Image\Commands\AbstractCommand;
use
Intervention\Image\Exception\RuntimeException;

class
ResetCommand extends 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
RuntimeException(
           
"Backup not available. Call backup() before reset()."
       
);
    }
}