[Debug] Workaround "null" $context

This reverts commit 6830d9f4c904d74020d2619fae990670edb3c3de.

ErrorHandler.php

@@ -349,12 +349,10 @@ class ErrorHandler
     /**
      * Handles errors by filtering then logging them according to the configured bit fields.
      *
-     * @param int    $type      One of the E_* constants
+     * @param int    $type    One of the E_* constants
      * @param string $message
      * @param string $file
      * @param int    $line
-     * @param array  $context
-     * @param array  $backtrace
      *
      * @return bool Returns false when no handling happens so that the PHP engine can handle the error itself
      *
@@ -362,7 +360,7 @@ class ErrorHandler
      *
      * @internal
      */
-    public function handleError($type, $message, $file, $line, array $context, array $backtrace = null)
+    public function handleError($type, $message, $file, $line)
     {
         $level = error_reporting() | E_RECOVERABLE_ERROR | E_USER_ERROR | E_DEPRECATED | E_USER_DEPRECATED;
         $log = $this->loggedErrors & $type;
@@ -372,8 +370,17 @@ class ErrorHandler
         if (!$type || (!$log && !$throw)) {
             return $type && $log;
         }
+        $scope = $this->scopedErrors & $type;
 
-        if (PHP_VERSION_ID < 50400 && isset($context['GLOBALS']) && ($this->scopedErrors & $type)) {
+        if (4 < $numArgs = func_num_args()) {
+            $context = $scope ? (func_get_arg(4) ?: array()) : array();
+            $backtrace = 5 < $numArgs ? func_get_arg(5) : null; // defined on HHVM
+        } else {
+            $context = array();
+            $backtrace = null;
+        }
+
+        if (isset($context['GLOBALS']) && $scope) {
             $e = $context;                  // Whatever the signature of the method,
             unset($e['GLOBALS'], $context); // $context is always a reference in 5.3
             $context = $e;
@@ -389,7 +396,7 @@ class ErrorHandler
         }
 
         if ($throw) {
-            if (($this->scopedErrors & $type) && class_exists('Symfony\Component\Debug\Exception\ContextErrorException')) {
+            if ($scope && class_exists('Symfony\Component\Debug\Exception\ContextErrorException')) {
                 // Checking for class existence is a work around for https://bugs.php.net/42098
                 $throw = new ContextErrorException($this->levels[$type].': '.$message, 0, $type, $file, $line, $context);
             } else {
@@ -420,7 +427,7 @@ class ErrorHandler
         $e = compact('type', 'file', 'line', 'level');
 
         if ($type & $level) {
-            if ($this->scopedErrors & $type) {
+            if ($scope) {
                 $e['scope_vars'] = $context;
                 if ($trace) {
                     $e['stack'] = $backtrace ?: debug_backtrace(DEBUG_BACKTRACE_PROVIDE_OBJECT);
@@ -504,7 +511,11 @@ class ErrorHandler
             }
         }
         if ($this->loggedErrors & $type) {
-            $this->loggers[$type][0]->log($this->loggers[$type][1], $message, $e);
+            try {
+                $this->loggers[$type][0]->log($this->loggers[$type][1], $message, $e);
+            } catch (\Exception $handlerException) {
+            } catch (\Throwable $handlerException) {
+            }
         }
         if ($exception instanceof FatalErrorException && !$exception instanceof OutOfMemoryException && $error) {
             foreach ($this->getFatalErrorHandlers() as $handler) {

ExceptionHandler.php

@@ -56,7 +56,7 @@ class ExceptionHandler
      * @param string|null $charset        The charset used by exception messages
      * @param string|null $fileLinkFormat The IDE link template
      *
-     * @return ExceptionHandler The registered exception handler
+     * @return static
      */
     public static function register($debug = true, $charset = null, $fileLinkFormat = null)
     {

FatalErrorHandler/ClassNotFoundFatalErrorHandler.php

@@ -179,7 +179,7 @@ class ClassNotFoundFatalErrorHandler implements FatalErrorHandlerInterface
         );
 
         if ($prefix) {
-            $candidates = array_filter($candidates, function ($candidate) use ($prefix) {return 0 === strpos($candidate, $prefix);});
+            $candidates = array_filter($candidates, function ($candidate) use ($prefix) { return 0 === strpos($candidate, $prefix); });
         }
 
         // We cannot use the autoloader here as most of them use require; but if the class

FatalErrorHandler/UndefinedMethodFatalErrorHandler.php

@@ -36,8 +36,13 @@ class UndefinedMethodFatalErrorHandler implements FatalErrorHandlerInterface
 
         $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);
+        }
+
         $candidates = array();
-        foreach (get_class_methods($className) as $definedMethodName) {
+        foreach ($methods as $definedMethodName) {
             $lev = levenshtein($methodName, $definedMethodName);
             if ($lev <= strlen($methodName) / 3 || false !== strpos($definedMethodName, $methodName)) {
                 $candidates[] = $definedMethodName;
@@ -52,6 +57,7 @@ class UndefinedMethodFatalErrorHandler implements FatalErrorHandlerInterface
             } else {
                 $candidates = '"'.$last;
             }
+
             $message .= "\nDid you mean to call ".$candidates;
         }
 

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2004-2016 Fabien Potencier
+Copyright (c) 2004-2017 Fabien Potencier
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

Resources/ext/tests/001.phpt

@@ -1,14 +1,14 @@
 --TEST--
 Test symfony_zval_info API
 --SKIPIF--
-<?php if (!extension_loaded("symfony_debug")) print "skip"; ?>
+<?php if (!extension_loaded('symfony_debug')) print 'skip'; ?>
 --FILE--
 <?php
 
 $int = 42;
 $float = 42.42;
-$str = "foobar";
-$object = new StdClass;
+$str = 'foobar';
+$object = new StdClass();
 $array = array('foo', 'bar');
 $resource = tmpfile();
 $null = null;
@@ -17,15 +17,17 @@ $bool = true;
 $anotherint = 42;
 $refcount2 = &$anotherint;
 
-$var = array('int' => $int,
-			 'float' => $float,
-			 'str' => $str,
-			 'object' => $object,
-			 'array' => $array,
-			 'resource' => $resource,
-			 'null' => $null,
-			 'bool' => $bool,
-			 'refcount' => &$refcount2);
+$var = array(
+    'int' => $int,
+    'float' => $float,
+    'str' => $str,
+    'object' => $object,
+    'array' => $array,
+    'resource' => $resource,
+    'null' => $null,
+    'bool' => $bool,
+    'refcount' => &$refcount2,
+);
 
 var_dump(symfony_zval_info('int', $var));
 var_dump(symfony_zval_info('float', $var));

Resources/ext/tests/002.phpt

@@ -1,7 +1,7 @@
 --TEST--
 Test symfony_debug_backtrace in case of fatal error
 --SKIPIF--
-<?php if (!extension_loaded("symfony_debug")) print "skip"; ?>
+<?php if (!extension_loaded('symfony_debug')) print 'skip'; ?>
 --FILE--
 <?php
 
@@ -18,7 +18,6 @@ function foo()
 function bt()
 {
     print_r(symfony_debug_backtrace());
-
 }
 
 register_shutdown_function('bt');

Resources/ext/tests/002_1.phpt

@@ -1,7 +1,7 @@
 --TEST--
 Test symfony_debug_backtrace in case of non fatal error
 --SKIPIF--
-<?php if (!extension_loaded("symfony_debug")) print "skip"; ?>
+<?php if (!extension_loaded('symfony_debug')) print 'skip'; ?>
 --FILE--
 <?php
 
@@ -13,7 +13,6 @@ function bar()
 function bt()
 {
     print_r(symfony_debug_backtrace());
-
 }
 
 bar();

Resources/ext/tests/003.phpt

@@ -1,7 +1,7 @@
 --TEST--
 Test ErrorHandler in case of fatal error
 --SKIPIF--
-<?php if (!extension_loaded("symfony_debug")) print "skip"; ?>
+<?php if (!extension_loaded('symfony_debug')) print 'skip'; ?>
 --FILE--
 <?php
 

Tests/ErrorHandlerTest.php

@@ -133,7 +133,7 @@ class ErrorHandlerTest extends \PHPUnit_Framework_TestCase
         try {
             $handler = ErrorHandler::register();
 
-            $logger = $this->getMock('Psr\Log\LoggerInterface');
+            $logger = $this->getMockBuilder('Psr\Log\LoggerInterface')->getMock();
 
             $handler->setDefaultLogger($logger, E_NOTICE);
             $handler->setDefaultLogger($logger, array(E_USER_NOTICE => LogLevel::CRITICAL));
@@ -212,7 +212,7 @@ class ErrorHandlerTest extends \PHPUnit_Framework_TestCase
             restore_error_handler();
             restore_exception_handler();
 
-            $logger = $this->getMock('Psr\Log\LoggerInterface');
+            $logger = $this->getMockBuilder('Psr\Log\LoggerInterface')->getMock();
 
             $that = $this;
             $warnArgCheck = function ($logLevel, $message, $context) use ($that) {
@@ -237,7 +237,7 @@ class ErrorHandlerTest extends \PHPUnit_Framework_TestCase
             restore_error_handler();
             restore_exception_handler();
 
-            $logger = $this->getMock('Psr\Log\LoggerInterface');
+            $logger = $this->getMockBuilder('Psr\Log\LoggerInterface')->getMock();
 
             $that = $this;
             $logArgCheck = function ($level, $message, $context) use ($that) {
@@ -278,7 +278,7 @@ class ErrorHandlerTest extends \PHPUnit_Framework_TestCase
             $that->assertArrayHasKey('stack', $context);
         };
 
-        $logger = $this->getMock('Psr\Log\LoggerInterface');
+        $logger = $this->getMockBuilder('Psr\Log\LoggerInterface')->getMock();
         $logger
             ->expects($this->once())
             ->method('log')
@@ -297,7 +297,7 @@ class ErrorHandlerTest extends \PHPUnit_Framework_TestCase
 
             $exception = new \Exception('foo');
 
-            $logger = $this->getMock('Psr\Log\LoggerInterface');
+            $logger = $this->getMockBuilder('Psr\Log\LoggerInterface')->getMock();
 
             $that = $this;
             $logArgCheck = function ($level, $message, $context) use ($that) {
@@ -344,7 +344,7 @@ class ErrorHandlerTest extends \PHPUnit_Framework_TestCase
             $handler = ErrorHandler::register();
             $handler->screamAt(E_USER_WARNING);
 
-            $logger = $this->getMock('Psr\Log\LoggerInterface');
+            $logger = $this->getMockBuilder('Psr\Log\LoggerInterface')->getMock();
 
             $logger
                 ->expects($this->exactly(2))
@@ -384,7 +384,7 @@ class ErrorHandlerTest extends \PHPUnit_Framework_TestCase
                 'line' => 123,
             );
 
-            $logger = $this->getMock('Psr\Log\LoggerInterface');
+            $logger = $this->getMockBuilder('Psr\Log\LoggerInterface')->getMock();
 
             $that = $this;
             $logArgCheck = function ($level, $message, $context) use ($that) {
@@ -436,7 +436,7 @@ class ErrorHandlerTest extends \PHPUnit_Framework_TestCase
         try {
             $handler = ErrorHandler::register();
 
-            $logger = $this->getMock('Psr\Log\LoggerInterface');
+            $logger = $this->getMockBuilder('Psr\Log\LoggerInterface')->getMock();
             $logger
                 ->expects($this->once())
                 ->method('log')
@@ -489,7 +489,7 @@ class ErrorHandlerTest extends \PHPUnit_Framework_TestCase
             restore_error_handler();
             restore_exception_handler();
 
-            $logger = $this->getMock('Psr\Log\LoggerInterface');
+            $logger = $this->getMockBuilder('Psr\Log\LoggerInterface')->getMock();
 
             $that = $this;
             $logArgCheck = function ($level, $message, $context) use ($that) {

Tests/ExceptionHandlerTest.php

@@ -100,7 +100,7 @@ class ExceptionHandlerTest extends \PHPUnit_Framework_TestCase
     {
         $exception = new \Exception('foo');
 
-        $handler = $this->getMock('Symfony\Component\Debug\ExceptionHandler', array('sendPhpResponse'));
+        $handler = $this->getMockBuilder('Symfony\Component\Debug\ExceptionHandler')->setMethods(array('sendPhpResponse'))->getMock();
         $handler
             ->expects($this->exactly(2))
             ->method('sendPhpResponse');
@@ -119,7 +119,7 @@ class ExceptionHandlerTest extends \PHPUnit_Framework_TestCase
     {
         $exception = new OutOfMemoryException('foo', 0, E_ERROR, __FILE__, __LINE__);
 
-        $handler = $this->getMock('Symfony\Component\Debug\ExceptionHandler', array('sendPhpResponse'));
+        $handler = $this->getMockBuilder('Symfony\Component\Debug\ExceptionHandler')->setMethods(array('sendPhpResponse'))->getMock();
         $handler
             ->expects($this->once())
             ->method('sendPhpResponse');

Tests/FatalErrorHandler/UndefinedMethodFatalErrorHandlerTest.php

@@ -61,6 +61,15 @@ class UndefinedMethodFatalErrorHandlerTest extends \PHPUnit_Framework_TestCase
                 ),
                 "Attempted to call an undefined method named \"offsetFet\" of class \"SplObjectStorage\".\nDid you mean to call e.g. \"offsetGet\", \"offsetSet\" or \"offsetUnset\"?",
             ),
+            array(
+                array(
+                  'type' => 1,
+                  'message' => 'Call to undefined method class@anonymous::test()',
+                  'file' => '/home/possum/work/symfony/test.php',
+                  'line' => 11,
+                ),
+                'Attempted to call an undefined method named "test" of class "class@anonymous".',
+            ),
         );
     }
 }