67 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			67 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/*
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 * This file is part of the Symfony package.
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 *
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 * (c) Fabien Potencier <fabien@symfony.com>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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namespace Symfony\Component\Debug\FatalErrorHandler;
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use Symfony\Component\Debug\Exception\FatalErrorException;
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use Symfony\Component\Debug\Exception\UndefinedMethodException;
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/**
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 * ErrorHandler for undefined methods.
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 *
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 * @author Grégoire Pineau <lyrixx@lyrixx.info>
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 */
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class UndefinedMethodFatalErrorHandler implements FatalErrorHandlerInterface
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{
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    /**
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     * {@inheritdoc}
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     */
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    public function handleError(array $error, FatalErrorException $exception)
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    {
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        preg_match('/^Call to undefined method (.*)::(.*)\(\)$/', $error['message'], $matches);
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        if (!$matches) {
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            return;
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        }
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        $className = $matches[1];
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        $methodName = $matches[2];
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        $message = sprintf('Attempted to call an undefined method named "%s" of class "%s".', $methodName, $className);
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        if (!class_exists($className) || null === $methods = get_class_methods($className)) {
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            // failed to get the class or its methods on which an unknown method was called (for example on an anonymous class)
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            return new UndefinedMethodException($message, $exception);
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        }
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        $candidates = array();
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        foreach ($methods as $definedMethodName) {
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            $lev = levenshtein($methodName, $definedMethodName);
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            if ($lev <= \strlen($methodName) / 3 || false !== strpos($definedMethodName, $methodName)) {
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                $candidates[] = $definedMethodName;
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            }
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        }
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        if ($candidates) {
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            sort($candidates);
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            $last = array_pop($candidates).'"?';
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            if ($candidates) {
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                $candidates = 'e.g. "'.implode('", "', $candidates).'" or "'.$last;
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            } else {
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                $candidates = '"'.$last;
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            }
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            $message .= "\nDid you mean to call ".$candidates;
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        }
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        return new UndefinedMethodException($message, $exception);
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    }
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}
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