89 lines
3.4 KiB
PHP
Executable File
89 lines
3.4 KiB
PHP
Executable File
<?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\UndefinedFunctionException;
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@trigger_error(sprintf('The "%s" class is deprecated since Symfony 4.4, use "%s" instead.', UndefinedFunctionFatalErrorHandler::class, \Symfony\Component\ErrorHandler\ErrorEnhancer\UndefinedFunctionErrorEnhancer::class), \E_USER_DEPRECATED);
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/**
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* ErrorHandler for undefined functions.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*
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* @deprecated since Symfony 4.4, use Symfony\Component\ErrorHandler\ErrorEnhancer\UndefinedFunctionErrorEnhancer instead.
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*/
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class UndefinedFunctionFatalErrorHandler 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 $exception)
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{
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$messageLen = \strlen($error['message']);
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$notFoundSuffix = '()';
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$notFoundSuffixLen = \strlen($notFoundSuffix);
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if ($notFoundSuffixLen > $messageLen) {
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return null;
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}
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if (0 !== substr_compare($error['message'], $notFoundSuffix, -$notFoundSuffixLen)) {
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return null;
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}
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$prefix = 'Call to undefined function ';
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$prefixLen = \strlen($prefix);
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if (0 !== strpos($error['message'], $prefix)) {
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return null;
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}
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$fullyQualifiedFunctionName = substr($error['message'], $prefixLen, -$notFoundSuffixLen);
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if (false !== $namespaceSeparatorIndex = strrpos($fullyQualifiedFunctionName, '\\')) {
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$functionName = substr($fullyQualifiedFunctionName, $namespaceSeparatorIndex + 1);
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$namespacePrefix = substr($fullyQualifiedFunctionName, 0, $namespaceSeparatorIndex);
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$message = sprintf('Attempted to call function "%s" from namespace "%s".', $functionName, $namespacePrefix);
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} else {
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$functionName = $fullyQualifiedFunctionName;
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$message = sprintf('Attempted to call function "%s" from the global namespace.', $functionName);
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}
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$candidates = [];
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foreach (get_defined_functions() as $type => $definedFunctionNames) {
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foreach ($definedFunctionNames as $definedFunctionName) {
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if (false !== $namespaceSeparatorIndex = strrpos($definedFunctionName, '\\')) {
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$definedFunctionNameBasename = substr($definedFunctionName, $namespaceSeparatorIndex + 1);
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} else {
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$definedFunctionNameBasename = $definedFunctionName;
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}
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if ($definedFunctionNameBasename === $functionName) {
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$candidates[] = '\\'.$definedFunctionName;
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}
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}
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}
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if ($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 UndefinedFunctionException($message, $exception);
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}
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}
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