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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 (".").
- *
- * @return string The concatenation of the two property paths
- */
- public static function append(string $basePath, string $subPath)
- {
- if ('' !== $subPath) {
- if ('[' === $subPath[0]) {
- return $basePath.$subPath;
- }
- return '' !== $basePath ? $basePath.'.'.$subPath : $subPath;
- }
- return $basePath;
- }
- /**
- * Not instantiable.
- */
- private function __construct()
- {
- }
- }
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