[VarDumper] Towards PHP7 support

src/Symfony/Component/VarDumper/Caster/ExceptionCaster.php

@@ -42,18 +42,19 @@ class ExceptionCaster
 
     public static function castException(\Exception $e, array $a, Stub $stub, $isNested)
     {
-        $trace = $a["\0Exception\0trace"];
+        $xPrefix = PHP_VERSION_ID >= 70000 ? "\0BaseException\0" : "\0Exception\0";
-        unset($a["\0Exception\0trace"]); // Ensures the trace is always last
+        $trace = $a[$xPrefix.'trace'];
+        unset($a[$xPrefix.'trace']); // Ensures the trace is always last
 
         static::filterTrace($trace, static::$traceArgs);
 
         if (null !== $trace) {
-            $a["\0Exception\0trace"] = $trace;
+            $a[$xPrefix.'trace'] = $trace;
         }
-        if (empty($a["\0Exception\0previous"])) {
+        if (empty($a[$xPrefix.'previous'])) {
-            unset($a["\0Exception\0previous"]);
+            unset($a[$xPrefix.'previous']);
         }
-        unset($a["\0Exception\0string"], $a["\0+\0xdebug_message"], $a["\0+\0__destructorException"]);
+        unset($a[$xPrefix.'string'], $a["\0+\0xdebug_message"], $a["\0+\0__destructorException"]);
 
         return $a;
     }
@@ -69,23 +70,20 @@ class ExceptionCaster
 
     public static function castThrowingCasterException(ThrowingCasterException $e, array $a, Stub $stub, $isNested)
     {
-        $b = (array) $a["\0Exception\0previous"];
+        $xPrefix = PHP_VERSION_ID >= 70000 ? "\0BaseException\0" : "\0Exception\0";
+        $b = (array) $a[$xPrefix.'previous'];
 
-        if (isset($b["\0*\0message"])) {
+        if (isset($a[$xPrefix.'trace'][0])) {
-            $a["\0~\0message"] = $b["\0*\0message"];
+            $b[$xPrefix.'trace'][0] += array(
-        }
-
-        if (isset($a["\0Exception\0trace"])) {
-            $b["\0Exception\0trace"][0] += array(
                 'file' => $b["\0*\0file"],
                 'line' => $b["\0*\0line"],
             );
-            array_splice($b["\0Exception\0trace"], -1 - count($a["\0Exception\0trace"]));
+            array_splice($b[$xPrefix.'trace'], -1 - count($a[$xPrefix.'trace']));
-            static::filterTrace($b["\0Exception\0trace"], false);
+            static::filterTrace($b[$xPrefix.'trace'], false);
-            $a["\0~\0trace"] = $b["\0Exception\0trace"];
+            $a["\0~\0trace"] = $b[$xPrefix.'trace'];
         }
 
-        unset($a["\0Exception\0trace"], $a["\0Exception\0previous"], $a["\0*\0code"], $a["\0*\0file"], $a["\0*\0line"]);
+        unset($a[$xPrefix.'trace'], $a[$xPrefix.'previous'], $a["\0*\0code"], $a["\0*\0file"], $a["\0*\0line"]);
 
         return $a;
     }

src/Symfony/Component/VarDumper/Cloner/VarCloner.php

@@ -119,12 +119,10 @@ class VarCloner extends AbstractCloner
                             $stub = $arrayRefs[$len] = new Stub();
                             $stub->type = Stub::TYPE_ARRAY;
                             $stub->class = Stub::ARRAY_ASSOC;
-                            $stub->value = $zval['array_count'] ?: count($v);
-
-                            $a = $v;
 
                             // Copies of $GLOBALS have very strange behavior,
                             // let's detect them with some black magic
+                            $a = $v;
                             $a[$gid] = true;
 
                             // Happens with copies of $GLOBALS
@@ -137,6 +135,8 @@ class VarCloner extends AbstractCloner
                             } else {
                                 $a = $v;
                             }
+
+                            $stub->value = $zval['array_count'] ?: count($a);
                         }
                         break;
 

src/Symfony/Component/VarDumper/Exception/ThrowingCasterException.php

@@ -22,6 +22,6 @@ class ThrowingCasterException extends \Exception
      */
     public function __construct($caster, \Exception $prev)
     {
-        parent::__construct('Unexpected exception thrown from a caster: '.get_class($prev), 0, $prev);
+        parent::__construct('Unexpected '.get_class($prev).' thrown from a caster: '.$prev->getMessage(), 0, $prev);
     }
 }

src/Symfony/Component/VarDumper/Tests/CliDumperTest.php

@@ -38,7 +38,6 @@ class CliDumperTest extends \PHPUnit_Framework_TestCase
         ob_start();
         $dumper->dump($data);
         $out = ob_get_clean();
-        $closureLabel = PHP_VERSION_ID >= 50400 ? 'public method' : 'function';
         $out = preg_replace('/[ \t]+$/m', '', $out);
         $intMax = PHP_INT_MAX;
         $res1 = (int) $var['res'];
@@ -77,7 +76,7 @@ array:25 [
   }
   "closure" => Closure {#%d
     reflection: """
-      Closure [ <user> {$closureLabel} Symfony\Component\VarDumper\Tests\Fixture\{closure} ] {
+      Closure [ <user%S> %s Symfony\Component\VarDumper\Tests\Fixture\{closure} ] {
         @@ {$var['file']} {$var['line']} - {$var['line']}
 
         - Parameters [2] {
@@ -143,8 +142,7 @@ EOTXT
   eof: false
   options: []
   ⚠: Symfony\Component\VarDumper\Exception\ThrowingCasterException {#%d
-    #message: "Unexpected exception thrown from a caster: Exception"
+    #message: "Unexpected Exception thrown from a caster: Foobar"
-    message: "Foobar"
     trace: array:1 [
       0 => array:2 [
         "call" => "%s{closure}()"

src/Symfony/Component/VarDumper/Tests/HtmlDumperTest.php

@@ -39,7 +39,6 @@ class HtmlDumperTest extends \PHPUnit_Framework_TestCase
         ob_start();
         $dumper->dump($data);
         $out = ob_get_clean();
-        $closureLabel = PHP_VERSION_ID >= 50400 ? 'public method' : 'function';
         $out = preg_replace('/[ \t]+$/m', '', $out);
         $var['file'] = htmlspecialchars($var['file'], ENT_QUOTES, 'UTF-8');
         $intMax = PHP_INT_MAX;
@@ -81,7 +80,7 @@ class HtmlDumperTest extends \PHPUnit_Framework_TestCase
   </samp>}
   "<span class=sf-dump-key>closure</span>" => <span class=sf-dump-note>Closure</span> {<a class=sf-dump-ref>#%d</a><samp>
     <span class=sf-dump-meta>reflection</span>: """
-      <span class=sf-dump-str title="%d characters">Closure [ &lt;user&gt; {$closureLabel} Symfony\Component\VarDumper\Tests\Fixture\{closure} ] {</span>
+      <span class=sf-dump-str title="%d characters">Closure [ &lt;user%S&gt; %s Symfony\Component\VarDumper\Tests\Fixture\{closure} ] {</span>
       <span class=sf-dump-str title="%d characters">  @@ {$var['file']} {$var['line']} - {$var['line']}</span>
 
       <span class=sf-dump-str title="%d characters">  - Parameters [2] {</span>