85 lines
3.0 KiB
PHP
85 lines
3.0 KiB
PHP
<?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\UndefinedFunctionException;
|
|
|
|
/**
|
|
* ErrorHandler for undefined functions.
|
|
*
|
|
* @author Fabien Potencier <fabien@symfony.com>
|
|
*/
|
|
class UndefinedFunctionFatalErrorHandler implements FatalErrorHandlerInterface
|
|
{
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function handleError(array $error, FatalErrorException $exception)
|
|
{
|
|
$messageLen = \strlen($error['message']);
|
|
$notFoundSuffix = '()';
|
|
$notFoundSuffixLen = \strlen($notFoundSuffix);
|
|
if ($notFoundSuffixLen > $messageLen) {
|
|
return;
|
|
}
|
|
|
|
if (0 !== substr_compare($error['message'], $notFoundSuffix, -$notFoundSuffixLen)) {
|
|
return;
|
|
}
|
|
|
|
$prefix = 'Call to undefined function ';
|
|
$prefixLen = \strlen($prefix);
|
|
if (0 !== strpos($error['message'], $prefix)) {
|
|
return;
|
|
}
|
|
|
|
$fullyQualifiedFunctionName = substr($error['message'], $prefixLen, -$notFoundSuffixLen);
|
|
if (false !== $namespaceSeparatorIndex = strrpos($fullyQualifiedFunctionName, '\\')) {
|
|
$functionName = substr($fullyQualifiedFunctionName, $namespaceSeparatorIndex + 1);
|
|
$namespacePrefix = substr($fullyQualifiedFunctionName, 0, $namespaceSeparatorIndex);
|
|
$message = sprintf('Attempted to call function "%s" from namespace "%s".', $functionName, $namespacePrefix);
|
|
} else {
|
|
$functionName = $fullyQualifiedFunctionName;
|
|
$message = sprintf('Attempted to call function "%s" from the global namespace.', $functionName);
|
|
}
|
|
|
|
$candidates = array();
|
|
foreach (get_defined_functions() as $type => $definedFunctionNames) {
|
|
foreach ($definedFunctionNames as $definedFunctionName) {
|
|
if (false !== $namespaceSeparatorIndex = strrpos($definedFunctionName, '\\')) {
|
|
$definedFunctionNameBasename = substr($definedFunctionName, $namespaceSeparatorIndex + 1);
|
|
} else {
|
|
$definedFunctionNameBasename = $definedFunctionName;
|
|
}
|
|
|
|
if ($definedFunctionNameBasename === $functionName) {
|
|
$candidates[] = '\\'.$definedFunctionName;
|
|
}
|
|
}
|
|
}
|
|
|
|
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 UndefinedFunctionException($message, $exception);
|
|
}
|
|
}
|