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<?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\Validator\Util;
/**
* Contains utility methods for dealing with property paths.
*
* For more extensive functionality, use Symfony's PropertyAccess component.
*
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class PropertyPath
{
/**
* Appends a path to a given property path.
*
* If the base path is empty, the appended path will be returned unchanged.
* If the base path is not empty, and the appended path starts with a
* squared opening bracket ("["), the concatenation of the two paths is
* returned. Otherwise, the concatenation of the two paths is returned,
* separated by a dot (".").
*
* @param string $basePath The base path
* @param string $subPath The path to append
*
* @return string The concatenation of the two property paths
*/
public static function append($basePath, $subPath)
{
if ('' !== (string) $subPath) {
if ('[' === $subPath[0]) {
return $basePath.$subPath;
}
return '' !== (string) $basePath ? $basePath.'.'.$subPath : $subPath;
}
return $basePath;
}
/**
* Not instantiable.
*/
private function __construct()
{
}
}