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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)
{
$alternatives = [];
foreach ($items as $item) {
$lev = levenshtein($name, $item);
if ($lev <= strlen($name) / 3 || false !== strpos($item, $name)) {
$alternatives[$item] = $lev;
}
}
if (!$alternatives) {
return;
}
asort($alternatives);
$this->appendMessage(sprintf(' Did you mean "%s"?', implode('", "', array_keys($alternatives))));
}
}
class_alias('Twig_Error_Syntax', 'Twig\Error\SyntaxError', false);
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