ResetCommand.php

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<?php
 
namespace Intervention\Image\Gd\Commands;
 
class ResetCommand extends \Intervention\Image\Commands\AbstractCommand
{
    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()."
        );
    }
}