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<?php
/* * This file is part of Twig. * * (c) Fabien Potencier * (c) Armin Ronacher * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */
/** * Exception thrown when a syntax error occurs during lexing or parsing of a template. * * @author Fabien Potencier <fabien@symfony.com> */ class Twig_Error_Syntax extends Twig_Error { /** * Tweaks the error message to include suggestions. * * @param string $name The original name of the item that does not exist * @param array $items An array of possible items */ public function addSuggestions($name, array $items) { if (!$alternatives = self::computeAlternatives($name, $items)) { return; }
$this->appendMessage(sprintf(' Did you mean "%s"?', implode('", "', $alternatives))); }
/** * @internal * * To be merged with the addSuggestions() method in 2.0. */ public static function computeAlternatives($name, $items) { $alternatives = array(); foreach ($items as $item) { $lev = levenshtein($name, $item); if ($lev <= strlen($name) / 3 || false !== strpos($item, $name)) { $alternatives[$item] = $lev; } } asort($alternatives);
return array_keys($alternatives); } }
class_alias('Twig_Error_Syntax', 'Twig\Error\SyntaxError', false);
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