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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\Debug\FatalErrorHandler;
- use Symfony\Component\Debug\Exception\FatalErrorException;
- use Symfony\Component\Debug\Exception\UndefinedMethodException;
- /**
- * ErrorHandler for undefined methods.
- *
- * @author Grégoire Pineau <lyrixx@lyrixx.info>
- */
- class UndefinedMethodFatalErrorHandler implements FatalErrorHandlerInterface
- {
- /**
- * {@inheritdoc}
- */
- public function handleError(array $error, FatalErrorException $exception)
- {
- preg_match('/^Call to undefined method (.*)::(.*)\(\)$/', $error['message'], $matches);
- if (!$matches) {
- return;
- }
- $className = $matches[1];
- $methodName = $matches[2];
- $message = sprintf('Attempted to call an undefined method named "%s" of class "%s".', $methodName, $className);
- if (!class_exists($className) || null === $methods = get_class_methods($className)) {
- // failed to get the class or its methods on which an unknown method was called (for example on an anonymous class)
- return new UndefinedMethodException($message, $exception);
- }
- $candidates = array();
- foreach ($methods as $definedMethodName) {
- $lev = levenshtein($methodName, $definedMethodName);
- if ($lev <= \strlen($methodName) / 3 || false !== strpos($definedMethodName, $methodName)) {
- $candidates[] = $definedMethodName;
- }
- }
- if ($candidates) {
- sort($candidates);
- $last = array_pop($candidates).'"?';
- if ($candidates) {
- $candidates = 'e.g. "'.implode('", "', $candidates).'" or "'.$last;
- } else {
- $candidates = '"'.$last;
- }
- $message .= "\nDid you mean to call ".$candidates;
- }
- return new UndefinedMethodException($message, $exception);
- }
- }
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