Merge branch '4.3' into 4.4

* 4.3:
  Fix displaying anonymous classes on PHP 7.4

Author: nicolas-grekas

ErrorHandler.php

@@ -761,7 +761,7 @@ private function cleanTrace(array $backtrace, int $type, string $file, int $line
      */
     private function parseAnonymousClass(string $message): string
     {
-        return preg_replace_callback('/class@anonymous\x00.*?\.php0x?[0-9a-fA-F]++/', static function ($m) {
+        return preg_replace_callback('/class@anonymous\x00.*?\.php(?:0x?|:)[0-9a-fA-F]++/', static function ($m) {
             return class_exists($m[0], false) ? get_parent_class($m[0]).'@anonymous' : $m[0];
         }, $message);
     }

Exception/FlattenException.php

@@ -196,7 +196,7 @@ public function getMessage(): string
     public function setMessage($message): self
     {
         if (false !== strpos($message, "class@anonymous\0")) {
-            $message = preg_replace_callback('/class@anonymous\x00.*?\.php0x?[0-9a-fA-F]++/', function ($m) {
+            $message = preg_replace_callback('/class@anonymous\x00.*?\.php(?:0x?|:)[0-9a-fA-F]++/', function ($m) {
                 return class_exists($m[0], false) ? get_parent_class($m[0]).'@anonymous' : $m[0];
             }, $message);
         }

Resources/views/trace.html.php

@@ -5,7 +5,7 @@
     <?php } ?>
 
     <?php if ('compact' !== $style && $trace['function']) { ?>
-        <span class="trace-class"><?= $this->abbrClass($trace['class']); ?></span><?php if ($trace['type']) { ?><span class="trace-type"><?= $trace['type']; ?></span><?php } ?><span class="trace-method"><?= $trace['function']; ?></span><span class="trace-arguments">(<?= $this->formatArgs($trace['args']); ?>)</span>
+        <span class="trace-class"><?= $this->abbrClass($trace['class']); ?></span><?php if ($trace['type']) { ?><span class="trace-type"><?= $trace['type']; ?></span><?php } ?><span class="trace-method"><?= $trace['function']; ?></span><?php if (isset($trace['args'])) { ?><span class="trace-arguments">(<?= $this->formatArgs($trace['args']); ?>)</span><?php } ?>
     <?php } ?>
 
     <?php if ($trace['file']) { ?>

Resources/views/traces_text.html.php

@@ -28,7 +28,7 @@
                     foreach ($exception['trace'] as $trace) {
                         echo "\n  ";
                         if ($trace['function']) {
-                            echo 'at '.$trace['class'].$trace['type'].$trace['function'].'('.$this->formatArgsAsText($trace['args']).')';
+                            echo 'at '.$trace['class'].$trace['type'].$trace['function'].'('.(isset($trace['args']) ? $this->formatArgsAsText($trace['args']) : '').')';
                         }
                         if ($trace['file'] && $trace['line']) {
                             echo($trace['function'] ? "\n     (" : 'at ').strtr(strip_tags($this->formatFile($trace['file'], $trace['line'])), [' at line '.$trace['line'] => '']).':'.$trace['line'].($trace['function'] ? ')' : '');

Tests/Exception/FlattenExceptionTest.php

@@ -240,6 +240,10 @@ public function flattenDataProvider(): array
 
     public function testArguments()
     {
+        if (\PHP_VERSION_ID >= 70400) {
+            $this->markTestSkipped('PHP 7.4 removes arguments from exception traces.');
+        }
+
         $dh = opendir(__DIR__);
         $fh = tmpfile();
 
@@ -302,6 +306,10 @@ function () {},
 
     public function testRecursionInArguments()
     {
+        if (\PHP_VERSION_ID >= 70400) {
+            $this->markTestSkipped('PHP 7.4 removes arguments from exception traces.');
+        }
+
         $a = null;
         $a = ['foo', [2, &$a]];
         $exception = $this->createException($a);
@@ -313,6 +321,10 @@ public function testRecursionInArguments()
 
     public function testTooBigArray()
     {
+        if (\PHP_VERSION_ID >= 70400) {
+            $this->markTestSkipped('PHP 7.4 removes arguments from exception traces.');
+        }
+
         $a = [];
         for ($i = 0; $i < 20; ++$i) {
             for ($j = 0; $j < 50; ++$j) {