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KeyNormalizer.php
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40 lines (36 loc) · 878 Bytes
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<?php
/*
* This file is part of php-cache\cache-bundle package.
*
* (c) 2015 Aaron Scherer <aequasi@gmail.com>, Tobias Nyholm <tobias.nyholm@gmail.com>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
namespace Cache\CacheBundle;
/**
* A class to normalize cache keys.
*
* @author Tobias Nyholm <tobias.nyholm@gmail.com>
*/
class KeyNormalizer
{
/**
* Remove all characters that is not supported by PSR6.
*
* @param $key
*/
public static function onlyValid($key)
{
return preg_replace('|[^A-Za-z0-9_\.]|', '', $key);
}
/**
* Remove all characters that are marked as reserved in PSR6.
*
* @param string $key
*/
public static function noInvalid($key)
{
return preg_replace('|[\{\}\(\)/\\\@\:]|', '', $key);
}
}