predis/lib/Predis/Command/PrefixableCommand.php

<?php

/*
 * This file is part of the Predis package.
 *
 * (c) Daniele Alessandri <suppakilla@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Predis\Command;

/**
 * Base class for Redis commands with prefixable keys.
 *
 * @author Daniele Alessandri <suppakilla@gmail.com>
 */
abstract class PrefixableCommand extends AbstractCommand implements PrefixableCommandInterface
{
    /**
     * {@inheritdoc}
     */
    public function prefixKeys($prefix)
    {
        if ($arguments = $this->getArguments()) {
            $arguments[0] = "$prefix{$arguments[0]}";
            $this->setRawArguments($arguments);
        }
    }
}