Current File : /home/emtnaeewxm/www/vendor/symfony/symfony/src/Symfony/Component/Form/Util/StringUtil.php
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Form\Util;
/**
* @author Issei Murasawa <issei.m7@gmail.com>
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class StringUtil
{
/**
* This class should not be instantiated.
*/
private function __construct()
{
}
/**
* Returns the trimmed data.
*
* @param string $string
*
* @return string
*/
public static function trim($string)
{
if (null !== $result = @preg_replace('/^[\pZ\p{Cc}]+|[\pZ\p{Cc}]+$/u', '', $string)) {
return $result;
}
return trim($string);
}
/**
* Converts a fully-qualified class name to a block prefix.
*
* @param string $fqcn The fully-qualified class name
*
* @return string|null The block prefix or null if not a valid FQCN
*/
public static function fqcnToBlockPrefix($fqcn)
{
// Non-greedy ("+?") to match "type" suffix, if present
if (preg_match('~([^\\\\]+?)(type)?$~i', $fqcn, $matches)) {
return strtolower(preg_replace(['/([A-Z]+)([A-Z][a-z])/', '/([a-z\d])([A-Z])/'], ['\\1_\\2', '\\1_\\2'], $matches[1]));
}
return null;
}
}
Mini Shell