Merge branch '2.3' into 2.7

* 2.3:
  added the new Composer exclude-from-classmap option
  fix expected argument type docblock
  Set back libxml settings after testings.
  fixed Twig deprecation notices

ApcClassLoader.php

@@ -44,8 +44,6 @@ namespace Symfony\Component\ClassLoader;
  *
  * @author Fabien Potencier <fabien@symfony.com>
  * @author Kris Wallsmith <kris@symfony.com>
- *
- * @api
  */
 class ApcClassLoader
 {
@@ -66,8 +64,6 @@ class ApcClassLoader
      *
      * @throws \RuntimeException
      * @throws \InvalidArgumentException
-     *
-     * @api
      */
     public function __construct($prefix, $decorated)
     {

ApcUniversalClassLoader.php

@@ -11,7 +11,7 @@
 
 namespace Symfony\Component\ClassLoader;
 
-trigger_error('The '.__NAMESPACE__.'\ApcUniversalClassLoader class is deprecated since version 2.7 and will be removed in 3.0. Use the Symfony\Component\ClassLoader\ApcClassLoader class instead.', E_USER_DEPRECATED);
+@trigger_error('The '.__NAMESPACE__.'\ApcUniversalClassLoader class is deprecated since version 2.7 and will be removed in 3.0. Use the Symfony\Component\ClassLoader\ApcClassLoader class instead.', E_USER_DEPRECATED);
 
 /**
  * ApcUniversalClassLoader implements a "universal" autoloader cached in APC for PHP 5.3.
@@ -60,8 +60,6 @@ trigger_error('The '.__NAMESPACE__.'\ApcUniversalClassLoader class is deprecated
  * @author Fabien Potencier <fabien@symfony.com>
  * @author Kris Wallsmith <kris@symfony.com>
  *
- * @api
- *
  * @deprecated since version 2.4, to be removed in 3.0.
  *             Use the {@link ClassLoader} class instead.
  */
@@ -75,8 +73,6 @@ class ApcUniversalClassLoader extends UniversalClassLoader
      * @param string $prefix A prefix to create a namespace in APC
      *
      * @throws \RuntimeException
-     *
-     * @api
      */
     public function __construct($prefix)
     {

ClassCollectionLoader.php

@@ -283,7 +283,7 @@ class ClassCollectionLoader
 
         $traits = array();
 
-        if (function_exists('get_declared_traits')) {
+        if (method_exists('ReflectionClass', 'getTraits')) {
             foreach ($classes as $c) {
                 foreach (self::resolveDependencies(self::computeTraitDeps($c), $c) as $trait) {
                     if ($trait !== $c) {

ClassLoader.php

@@ -91,12 +91,16 @@ class ClassLoader
             return;
         }
         if (isset($this->prefixes[$prefix])) {
-            $this->prefixes[$prefix] = array_merge(
-                $this->prefixes[$prefix],
-                (array) $paths
-            );
+            if (is_array($paths)) {
+                $this->prefixes[$prefix] = array_unique(array_merge(
+                    $this->prefixes[$prefix],
+                    $paths
+                ));
+            } elseif (!in_array($paths, $this->prefixes[$prefix])) {
+                 $this->prefixes[$prefix][] = $paths;
+            }
         } else {
-            $this->prefixes[$prefix] = (array) $paths;
+            $this->prefixes[$prefix] = array_unique((array) $paths);
         }
     }
 

ClassMapGenerator.php

@@ -118,6 +118,25 @@ class ClassMapGenerator
                 case T_CLASS:
                 case T_INTERFACE:
                 case SYMFONY_TRAIT:
+                    // Skip usage of ::class constant
+                    $isClassConstant = false;
+                    for ($j = $i - 1; $j > 0; --$j) {
+                        if (is_string($tokens[$j])) {
+                            break;
+                        }
+
+                        if (T_DOUBLE_COLON === $tokens[$j][0]) {
+                            $isClassConstant = true;
+                            break;
+                        } elseif (!in_array($tokens[$j][0], array(T_WHITESPACE, T_DOC_COMMENT, T_COMMENT))) {
+                            break;
+                        }
+                    }
+
+                    if ($isClassConstant) {
+                        continue;
+                    }
+
                     // Find the classname
                     while (($t = $tokens[++$i]) && is_array($t)) {
                         if (T_STRING === $t[0]) {

DebugClassLoader.php

@@ -11,7 +11,7 @@
 
 namespace Symfony\Component\ClassLoader;
 
-trigger_error('The '.__NAMESPACE__.'\DebugClassLoader class is deprecated since version 2.4 and will be removed in 3.0. Use the Symfony\Component\Debug\DebugClassLoader class instead.', E_USER_DEPRECATED);
+@trigger_error('The '.__NAMESPACE__.'\DebugClassLoader class is deprecated since version 2.4 and will be removed in 3.0. Use the Symfony\Component\Debug\DebugClassLoader class instead.', E_USER_DEPRECATED);
 
 /**
  * Autoloader checking if the class is really defined in the file found.
@@ -23,8 +23,6 @@ trigger_error('The '.__NAMESPACE__.'\DebugClassLoader class is deprecated since
  * @author Fabien Potencier <fabien@symfony.com>
  * @author Christophe Coevoet <stof@notk.org>
  *
- * @api
- *
  * @deprecated since version 2.4, to be removed in 3.0.
  *             Use {@link \Symfony\Component\Debug\DebugClassLoader} instead.
  */
@@ -36,8 +34,6 @@ class DebugClassLoader
      * Constructor.
      *
      * @param object $classFinder
-     *
-     * @api
      */
     public function __construct($classFinder)
     {

DebugUniversalClassLoader.php

@@ -11,7 +11,7 @@
 
 namespace Symfony\Component\ClassLoader;
 
-trigger_error('The '.__NAMESPACE__.'\DebugUniversalClassLoader class is deprecated since version 2.4 and will be removed in 3.0. Use the Symfony\Component\Debug\DebugClassLoader class instead.', E_USER_DEPRECATED);
+@trigger_error('The '.__NAMESPACE__.'\DebugUniversalClassLoader class is deprecated since version 2.4 and will be removed in 3.0. Use the Symfony\Component\Debug\DebugClassLoader class instead.', E_USER_DEPRECATED);
 
 /**
  * Checks that the class is actually declared in the included file.

Tests/ApcClassLoaderTest.php

@@ -0,0 +1,199 @@
+<?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\ClassLoader\Tests;
+
+use Symfony\Component\ClassLoader\ApcClassLoader;
+use Symfony\Component\ClassLoader\ClassLoader;
+
+/**
+ * @requires extension apc
+ */
+class ApcClassLoaderTest extends \PHPUnit_Framework_TestCase
+{
+    protected function setUp()
+    {
+        if (!(ini_get('apc.enabled') && ini_get('apc.enable_cli'))) {
+            $this->markTestSkipped('The apc extension is available, but not enabled.');
+        } else {
+            apc_clear_cache('user');
+        }
+    }
+
+    protected function tearDown()
+    {
+        if (ini_get('apc.enabled') && ini_get('apc.enable_cli')) {
+            apc_clear_cache('user');
+        }
+    }
+
+    public function testConstructor()
+    {
+        $loader = new ClassLoader();
+        $loader->addPrefix('Apc\Namespaced', __DIR__.DIRECTORY_SEPARATOR.'Fixtures');
+
+        $loader = new ApcClassLoader('test.prefix.', $loader);
+
+        $this->assertEquals($loader->findFile('\Apc\Namespaced\FooBar'), apc_fetch('test.prefix.\Apc\Namespaced\FooBar'), '__construct() takes a prefix as its first argument');
+    }
+
+    /**
+     * @dataProvider getLoadClassTests
+     */
+    public function testLoadClass($className, $testClassName, $message)
+    {
+        $loader = new ClassLoader();
+        $loader->addPrefix('Apc\Namespaced', __DIR__.DIRECTORY_SEPARATOR.'Fixtures');
+        $loader->addPrefix('Apc_Pearlike_', __DIR__.DIRECTORY_SEPARATOR.'Fixtures');
+
+        $loader = new ApcClassLoader('test.prefix.', $loader);
+        $loader->loadClass($testClassName);
+        $this->assertTrue(class_exists($className), $message);
+    }
+
+    public function getLoadClassTests()
+    {
+        return array(
+           array('\\Apc\\Namespaced\\Foo', 'Apc\\Namespaced\\Foo',   '->loadClass() loads Apc\Namespaced\Foo class'),
+           array('Apc_Pearlike_Foo',    'Apc_Pearlike_Foo',      '->loadClass() loads Apc_Pearlike_Foo class'),
+        );
+    }
+
+    /**
+     * @dataProvider getLoadClassFromFallbackTests
+     */
+    public function testLoadClassFromFallback($className, $testClassName, $message)
+    {
+        $loader = new ClassLoader();
+        $loader->addPrefix('Apc\Namespaced', __DIR__.DIRECTORY_SEPARATOR.'Fixtures');
+        $loader->addPrefix('Apc_Pearlike_', __DIR__.DIRECTORY_SEPARATOR.'Fixtures');
+        $loader->addPrefix('', array(__DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/fallback'));
+
+        $loader = new ApcClassLoader('test.prefix.fallback', $loader);
+        $loader->loadClass($testClassName);
+
+        $this->assertTrue(class_exists($className), $message);
+    }
+
+    public function getLoadClassFromFallbackTests()
+    {
+        return array(
+           array('\\Apc\\Namespaced\\Baz',    'Apc\\Namespaced\\Baz',    '->loadClass() loads Apc\Namespaced\Baz class'),
+           array('Apc_Pearlike_Baz',       'Apc_Pearlike_Baz',       '->loadClass() loads Apc_Pearlike_Baz class'),
+           array('\\Apc\\Namespaced\\FooBar', 'Apc\\Namespaced\\FooBar', '->loadClass() loads Apc\Namespaced\Baz class from fallback dir'),
+           array('Apc_Pearlike_FooBar',    'Apc_Pearlike_FooBar',    '->loadClass() loads Apc_Pearlike_Baz class from fallback dir'),
+       );
+    }
+
+    /**
+     * @dataProvider getLoadClassNamespaceCollisionTests
+     */
+    public function testLoadClassNamespaceCollision($namespaces, $className, $message)
+    {
+        $loader = new ClassLoader();
+        $loader->addPrefixes($namespaces);
+
+        $loader = new ApcClassLoader('test.prefix.collision.', $loader);
+        $loader->loadClass($className);
+
+        $this->assertTrue(class_exists($className), $message);
+    }
+
+    public function getLoadClassNamespaceCollisionTests()
+    {
+        return array(
+           array(
+               array(
+                   'Apc\\NamespaceCollision\\A' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/alpha',
+                   'Apc\\NamespaceCollision\\A\\B' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/beta',
+               ),
+               'Apc\NamespaceCollision\A\Foo',
+               '->loadClass() loads NamespaceCollision\A\Foo from alpha.',
+           ),
+           array(
+               array(
+                   'Apc\\NamespaceCollision\\A\\B' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/beta',
+                   'Apc\\NamespaceCollision\\A' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/alpha',
+               ),
+               'Apc\NamespaceCollision\A\Bar',
+               '->loadClass() loads NamespaceCollision\A\Bar from alpha.',
+           ),
+           array(
+               array(
+                   'Apc\\NamespaceCollision\\A' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/alpha',
+                   'Apc\\NamespaceCollision\\A\\B' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/beta',
+               ),
+               'Apc\NamespaceCollision\A\B\Foo',
+               '->loadClass() loads NamespaceCollision\A\B\Foo from beta.',
+           ),
+           array(
+               array(
+                   'Apc\\NamespaceCollision\\A\\B' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/beta',
+                   'Apc\\NamespaceCollision\\A' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/alpha',
+               ),
+               'Apc\NamespaceCollision\A\B\Bar',
+               '->loadClass() loads NamespaceCollision\A\B\Bar from beta.',
+           ),
+        );
+    }
+
+    /**
+     * @dataProvider getLoadClassPrefixCollisionTests
+     */
+    public function testLoadClassPrefixCollision($prefixes, $className, $message)
+    {
+        $loader = new ClassLoader();
+        $loader->addPrefixes($prefixes);
+
+        $loader = new ApcClassLoader('test.prefix.collision.', $loader);
+        $loader->loadClass($className);
+
+        $this->assertTrue(class_exists($className), $message);
+    }
+
+    public function getLoadClassPrefixCollisionTests()
+    {
+        return array(
+           array(
+               array(
+                   'ApcPrefixCollision_A_' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/alpha/Apc',
+                   'ApcPrefixCollision_A_B_' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/beta/Apc',
+               ),
+               'ApcPrefixCollision_A_Foo',
+               '->loadClass() loads ApcPrefixCollision_A_Foo from alpha.',
+           ),
+           array(
+               array(
+                   'ApcPrefixCollision_A_B_' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/beta/Apc',
+                   'ApcPrefixCollision_A_' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/alpha/Apc',
+               ),
+               'ApcPrefixCollision_A_Bar',
+               '->loadClass() loads ApcPrefixCollision_A_Bar from alpha.',
+           ),
+           array(
+               array(
+                   'ApcPrefixCollision_A_' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/alpha/Apc',
+                   'ApcPrefixCollision_A_B_' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/beta/Apc',
+               ),
+               'ApcPrefixCollision_A_B_Foo',
+               '->loadClass() loads ApcPrefixCollision_A_B_Foo from beta.',
+           ),
+           array(
+               array(
+                   'ApcPrefixCollision_A_B_' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/beta/Apc',
+                   'ApcPrefixCollision_A_' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/alpha/Apc',
+               ),
+               'ApcPrefixCollision_A_B_Bar',
+               '->loadClass() loads ApcPrefixCollision_A_B_Bar from beta.',
+           ),
+        );
+    }
+}

Tests/ClassCollectionLoaderTest.php

@@ -20,14 +20,11 @@ require_once __DIR__.'/Fixtures/ClassesWithParents/A.php';
 
 class ClassCollectionLoaderTest extends \PHPUnit_Framework_TestCase
 {
+    /**
+     * @requires PHP 5.4
+     */
     public function testTraitDependencies()
     {
-        if (PHP_VERSION_ID < 50400) {
-            $this->markTestSkipped('Requires PHP > 5.4');
-
-            return;
-        }
-
         require_once __DIR__.'/Fixtures/deps/traits.php';
 
         $r = new \ReflectionClass('Symfony\Component\ClassLoader\ClassCollectionLoader');
@@ -97,15 +94,10 @@ class ClassCollectionLoaderTest extends \PHPUnit_Framework_TestCase
 
     /**
      * @dataProvider getDifferentOrdersForTraits
+     * @requires PHP 5.4
      */
     public function testClassWithTraitsReordering(array $classes)
     {
-        if (PHP_VERSION_ID < 50400) {
-            $this->markTestSkipped('Requires PHP > 5.4');
-
-            return;
-        }
-
         require_once __DIR__.'/Fixtures/ClassesWithParents/ATrait.php';
         require_once __DIR__.'/Fixtures/ClassesWithParents/BTrait.php';
         require_once __DIR__.'/Fixtures/ClassesWithParents/CTrait.php';
@@ -146,14 +138,11 @@ class ClassCollectionLoaderTest extends \PHPUnit_Framework_TestCase
         );
     }
 
+    /**
+     * @requires PHP 5.4
+     */
     public function testFixClassWithTraitsOrdering()
     {
-        if (PHP_VERSION_ID < 50400) {
-            $this->markTestSkipped('Requires PHP > 5.4');
-
-            return;
-        }
-
         require_once __DIR__.'/Fixtures/ClassesWithParents/CTrait.php';
         require_once __DIR__.'/Fixtures/ClassesWithParents/F.php';
         require_once __DIR__.'/Fixtures/ClassesWithParents/G.php';

Tests/ClassLoaderTest.php

@@ -76,14 +76,36 @@ class ClassLoaderTest extends \PHPUnit_Framework_TestCase
         );
     }
 
-    public function testAddPrefix()
+    public function testAddPrefixSingle()
     {
         $loader = new ClassLoader();
         $loader->addPrefix('Foo', __DIR__.DIRECTORY_SEPARATOR.'Fixtures');
         $loader->addPrefix('Foo', __DIR__.DIRECTORY_SEPARATOR.'Fixtures');
         $prefixes = $loader->getPrefixes();
         $this->assertArrayHasKey('Foo', $prefixes);
+        $this->assertCount(1, $prefixes['Foo']);
+    }
+
+    public function testAddPrefixesSingle()
+    {
+        $loader = new ClassLoader();
+        $loader->addPrefixes(array('Foo' => array('foo', 'foo')));
+        $loader->addPrefixes(array('Foo' => array('foo')));
+        $prefixes = $loader->getPrefixes();
+        $this->assertArrayHasKey('Foo', $prefixes);
+        $this->assertCount(1, $prefixes['Foo'], print_r($prefixes, true));
+    }
+
+    public function testAddPrefixMulti()
+    {
+        $loader = new ClassLoader();
+        $loader->addPrefix('Foo', 'foo');
+        $loader->addPrefix('Foo', 'bar');
+        $prefixes = $loader->getPrefixes();
+        $this->assertArrayHasKey('Foo', $prefixes);
         $this->assertCount(2, $prefixes['Foo']);
+        $this->assertContains('foo', $prefixes['Foo']);
+        $this->assertContains('bar', $prefixes['Foo']);
     }
 
     public function testUseIncludePath()

Tests/ClassMapGeneratorTest.php

@@ -22,7 +22,7 @@ class ClassMapGeneratorTest extends \PHPUnit_Framework_TestCase
 
     public function prepare_workspace()
     {
-        $this->workspace = rtrim(sys_get_temp_dir(), DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR.time().rand(0, 1000);
+        $this->workspace = rtrim(sys_get_temp_dir(), DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR.time().mt_rand(0, 1000);
         mkdir($this->workspace, 0777, true);
         $this->workspace = realpath($this->workspace);
     }
@@ -47,7 +47,7 @@ class ClassMapGeneratorTest extends \PHPUnit_Framework_TestCase
     /**
      * @dataProvider getTestCreateMapTests
      */
-    public function testDump($directory, $expected)
+    public function testDump($directory)
     {
         $this->prepare_workspace();
 
@@ -115,6 +115,12 @@ class ClassMapGeneratorTest extends \PHPUnit_Framework_TestCase
             ));
         }
 
+        if (PHP_VERSION_ID >= 50500) {
+            $data[] = array(__DIR__.'/Fixtures/php5.5', array(
+                'ClassCons\\Foo' => __DIR__.'/Fixtures/php5.5/class_cons.php',
+            ));
+        }
+
         return $data;
     }
 
@@ -134,10 +140,10 @@ class ClassMapGeneratorTest extends \PHPUnit_Framework_TestCase
     protected function assertEqualsNormalized($expected, $actual, $message = null)
     {
         foreach ($expected as $ns => $path) {
-            $expected[$ns] = strtr($path, '\\', '/');
+            $expected[$ns] = str_replace('\\', '/', $path);
         }
         foreach ($actual as $ns => $path) {
-            $actual[$ns] = strtr($path, '\\', '/');
+            $actual[$ns] = str_replace('\\', '/', $path);
         }
         $this->assertEquals($expected, $actual, $message);
     }

Tests/Fixtures/LegacyApc/Namespaced/Bar.php

@@ -0,0 +1,17 @@
+<?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 LegacyApc\Namespaced;
+
+class Bar
+{
+    public static $loaded = true;
+}

Tests/Fixtures/LegacyApc/Namespaced/Baz.php

@@ -0,0 +1,17 @@
+<?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 LegacyApc\Namespaced;
+
+class Baz
+{
+    public static $loaded = true;
+}

Tests/Fixtures/LegacyApc/Namespaced/Foo.php

@@ -0,0 +1,17 @@
+<?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 LegacyApc\Namespaced;
+
+class Foo
+{
+    public static $loaded = true;
+}

Tests/Fixtures/LegacyApc/Namespaced/FooBar.php

@@ -0,0 +1,17 @@
+<?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 LegacyApc\Namespaced;
+
+class FooBar
+{
+    public static $loaded = true;
+}

Tests/Fixtures/LegacyApc/Pearlike/Bar.php

@@ -0,0 +1,6 @@
+<?php
+
+class LegacyApc_Pearlike_Bar
+{
+    public static $loaded = true;
+}

Tests/Fixtures/LegacyApc/Pearlike/Baz.php

@@ -0,0 +1,6 @@
+<?php
+
+class LegacyApc_Pearlike_Baz
+{
+    public static $loaded = true;
+}

Tests/Fixtures/LegacyApc/Pearlike/Foo.php

@@ -0,0 +1,6 @@
+<?php
+
+class LegacyApc_Pearlike_Foo
+{
+    public static $loaded = true;
+}

Tests/Fixtures/LegacyApc/alpha/LegacyApc/LegacyApcPrefixCollision/A/Bar.php

@@ -0,0 +1,6 @@
+<?php
+
+class LegacyApcPrefixCollision_A_Bar
+{
+    public static $loaded = true;
+}

Tests/Fixtures/LegacyApc/alpha/LegacyApc/LegacyApcPrefixCollision/A/Foo.php

@@ -0,0 +1,6 @@
+<?php
+
+class LegacyApcPrefixCollision_A_Foo
+{
+    public static $loaded = true;
+}

Tests/Fixtures/LegacyApc/alpha/LegacyApc/NamespaceCollision/A/Bar.php

@@ -0,0 +1,17 @@
+<?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 LegacyApc\NamespaceCollision\A;
+
+class Bar
+{
+    public static $loaded = true;
+}

Tests/Fixtures/LegacyApc/alpha/LegacyApc/NamespaceCollision/A/Foo.php

@@ -0,0 +1,17 @@
+<?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 LegacyApc\NamespaceCollision\A;
+
+class Foo
+{
+    public static $loaded = true;
+}

Tests/Fixtures/LegacyApc/beta/LegacyApc/LegacyApcPrefixCollision/A/B/Bar.php

@@ -0,0 +1,6 @@
+<?php
+
+class LegacyApcPrefixCollision_A_B_Bar
+{
+    public static $loaded = true;
+}

Tests/Fixtures/LegacyApc/beta/LegacyApc/LegacyApcPrefixCollision/A/B/Foo.php

@@ -0,0 +1,6 @@
+<?php
+
+class LegacyApcPrefixCollision_A_B_Foo
+{
+    public static $loaded = true;
+}

Tests/Fixtures/LegacyApc/beta/LegacyApc/NamespaceCollision/A/B/Bar.php

@@ -0,0 +1,17 @@
+<?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 LegacyApc\NamespaceCollision\A\B;
+
+class Bar
+{
+    public static $loaded = true;
+}

Tests/Fixtures/LegacyApc/beta/LegacyApc/NamespaceCollision/A/B/Foo.php

@@ -0,0 +1,17 @@
+<?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 LegacyApc\NamespaceCollision\A\B;
+
+class Foo
+{
+    public static $loaded = true;
+}

Tests/Fixtures/LegacyApc/fallback/LegacyApc/Pearlike/FooBar.php

@@ -0,0 +1,6 @@
+<?php
+
+class LegacyApc_Pearlike_FooBar
+{
+    public static $loaded = true;
+}

Tests/Fixtures/LegacyApc/fallback/Namespaced/FooBar.php

@@ -0,0 +1,17 @@
+<?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 LegacyApc\Namespaced;
+
+class FooBar
+{
+    public static $loaded = true;
+}

Tests/Fixtures/php5.5/class_cons.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace ClassCons;
+
+class Foo
+{
+    public function __construct()
+    {
+        \Foo\TBar/* foo */::class;
+    }
+}

Tests/LegacyApcUniversalClassLoaderTest.php

@@ -15,21 +15,16 @@ use Symfony\Component\ClassLoader\ApcUniversalClassLoader;
 
 /**
  * @group legacy
+ * @requires extension apc
  */
 class LegacyApcUniversalClassLoaderTest extends \PHPUnit_Framework_TestCase
 {
     protected function setUp()
     {
-        $this->iniSet('error_reporting', -1 & ~E_USER_DEPRECATED);
-
-        if (!extension_loaded('apc')) {
-            $this->markTestSkipped('The apc extension is not available.');
-        }
-
-        if (!(ini_get('apc.enabled') && ini_get('apc.enable_cli'))) {
-            $this->markTestSkipped('The apc extension is available, but not enabled.');
-        } else {
+        if (ini_get('apc.enabled') && ini_get('apc.enable_cli')) {
             apc_clear_cache('user');
+        } else {
+            $this->markTestSkipped('APC is not enabled.');
         }
     }
 
@@ -43,9 +38,9 @@ class LegacyApcUniversalClassLoaderTest extends \PHPUnit_Framework_TestCase
     public function testConstructor()
     {
         $loader = new ApcUniversalClassLoader('test.prefix.');
-        $loader->registerNamespace('Apc\Namespaced', __DIR__.DIRECTORY_SEPARATOR.'Fixtures');
+        $loader->registerNamespace('LegacyApc\Namespaced', __DIR__.DIRECTORY_SEPARATOR.'Fixtures');
 
-        $this->assertEquals($loader->findFile('\Apc\Namespaced\FooBar'), apc_fetch('test.prefix.\Apc\Namespaced\FooBar'), '__construct() takes a prefix as its first argument');
+        $this->assertEquals($loader->findFile('\LegacyApc\Namespaced\FooBar'), apc_fetch('test.prefix.\LegacyApc\Namespaced\FooBar'), '__construct() takes a prefix as its first argument');
     }
 
    /**
@@ -54,8 +49,8 @@ class LegacyApcUniversalClassLoaderTest extends \PHPUnit_Framework_TestCase
    public function testLoadClass($className, $testClassName, $message)
    {
        $loader = new ApcUniversalClassLoader('test.prefix.');
-       $loader->registerNamespace('Apc\Namespaced', __DIR__.DIRECTORY_SEPARATOR.'Fixtures');
-       $loader->registerPrefix('Apc_Pearlike_', __DIR__.DIRECTORY_SEPARATOR.'Fixtures');
+       $loader->registerNamespace('LegacyApc\Namespaced', __DIR__.DIRECTORY_SEPARATOR.'Fixtures');
+       $loader->registerPrefix('LegacyApc_Pearlike_', __DIR__.DIRECTORY_SEPARATOR.'Fixtures');
        $loader->loadClass($testClassName);
        $this->assertTrue(class_exists($className), $message);
    }
@@ -63,8 +58,8 @@ class LegacyApcUniversalClassLoaderTest extends \PHPUnit_Framework_TestCase
     public function getLoadClassTests()
     {
         return array(
-           array('\\Apc\\Namespaced\\Foo', 'Apc\\Namespaced\\Foo',   '->loadClass() loads Apc\Namespaced\Foo class'),
-           array('Apc_Pearlike_Foo',    'Apc_Pearlike_Foo',      '->loadClass() loads Apc_Pearlike_Foo class'),
+           array('\\LegacyApc\\Namespaced\\Foo', 'LegacyApc\\Namespaced\\Foo',   '->loadClass() loads LegacyApc\Namespaced\Foo class'),
+           array('LegacyApc_Pearlike_Foo',    'LegacyApc_Pearlike_Foo',      '->loadClass() loads LegacyApc_Pearlike_Foo class'),
        );
     }
 
@@ -74,10 +69,10 @@ class LegacyApcUniversalClassLoaderTest extends \PHPUnit_Framework_TestCase
    public function testLoadClassFromFallback($className, $testClassName, $message)
    {
        $loader = new ApcUniversalClassLoader('test.prefix.fallback');
-       $loader->registerNamespace('Apc\Namespaced', __DIR__.DIRECTORY_SEPARATOR.'Fixtures');
-       $loader->registerPrefix('Apc_Pearlike_', __DIR__.DIRECTORY_SEPARATOR.'Fixtures');
-       $loader->registerNamespaceFallbacks(array(__DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/fallback'));
-       $loader->registerPrefixFallbacks(array(__DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/fallback'));
+       $loader->registerNamespace('LegacyApc\Namespaced', __DIR__.DIRECTORY_SEPARATOR.'Fixtures');
+       $loader->registerPrefix('LegacyApc_Pearlike_', __DIR__.DIRECTORY_SEPARATOR.'Fixtures');
+       $loader->registerNamespaceFallbacks(array(__DIR__.DIRECTORY_SEPARATOR.'Fixtures/LegacyApc/fallback'));
+       $loader->registerPrefixFallbacks(array(__DIR__.DIRECTORY_SEPARATOR.'Fixtures/LegacyApc/fallback'));
        $loader->loadClass($testClassName);
        $this->assertTrue(class_exists($className), $message);
    }
@@ -85,10 +80,10 @@ class LegacyApcUniversalClassLoaderTest extends \PHPUnit_Framework_TestCase
     public function getLoadClassFromFallbackTests()
     {
         return array(
-           array('\\Apc\\Namespaced\\Baz',    'Apc\\Namespaced\\Baz',    '->loadClass() loads Apc\Namespaced\Baz class'),
-           array('Apc_Pearlike_Baz',       'Apc_Pearlike_Baz',       '->loadClass() loads Apc_Pearlike_Baz class'),
-           array('\\Apc\\Namespaced\\FooBar', 'Apc\\Namespaced\\FooBar', '->loadClass() loads Apc\Namespaced\Baz class from fallback dir'),
-           array('Apc_Pearlike_FooBar',    'Apc_Pearlike_FooBar',    '->loadClass() loads Apc_Pearlike_Baz class from fallback dir'),
+           array('\\LegacyApc\\Namespaced\\Baz',    'LegacyApc\\Namespaced\\Baz',    '->loadClass() loads LegacyApc\Namespaced\Baz class'),
+           array('LegacyApc_Pearlike_Baz',       'LegacyApc_Pearlike_Baz',       '->loadClass() loads LegacyApc_Pearlike_Baz class'),
+           array('\\LegacyApc\\Namespaced\\FooBar', 'LegacyApc\\Namespaced\\FooBar', '->loadClass() loads LegacyApc\Namespaced\Baz class from fallback dir'),
+           array('LegacyApc_Pearlike_FooBar',    'LegacyApc_Pearlike_FooBar',    '->loadClass() loads LegacyApc_Pearlike_Baz class from fallback dir'),
        );
     }
 
@@ -110,34 +105,34 @@ class LegacyApcUniversalClassLoaderTest extends \PHPUnit_Framework_TestCase
         return array(
            array(
                array(
-                   'Apc\\NamespaceCollision\\A' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/alpha',
-                   'Apc\\NamespaceCollision\\A\\B' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/beta',
+                   'LegacyApc\\NamespaceCollision\\A' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/LegacyApc/alpha',
+                   'LegacyApc\\NamespaceCollision\\A\\B' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/LegacyApc/beta',
                ),
-               'Apc\NamespaceCollision\A\Foo',
+               'LegacyApc\NamespaceCollision\A\Foo',
                '->loadClass() loads NamespaceCollision\A\Foo from alpha.',
            ),
            array(
                array(
-                   'Apc\\NamespaceCollision\\A\\B' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/beta',
-                   'Apc\\NamespaceCollision\\A' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/alpha',
+                   'LegacyApc\\NamespaceCollision\\A\\B' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/LegacyApc/beta',
+                   'LegacyApc\\NamespaceCollision\\A' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/LegacyApc/alpha',
                ),
-               'Apc\NamespaceCollision\A\Bar',
+               'LegacyApc\NamespaceCollision\A\Bar',
                '->loadClass() loads NamespaceCollision\A\Bar from alpha.',
            ),
            array(
                array(
-                   'Apc\\NamespaceCollision\\A' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/alpha',
-                   'Apc\\NamespaceCollision\\A\\B' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/beta',
+                   'LegacyApc\\NamespaceCollision\\A' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/LegacyApc/alpha',
+                   'LegacyApc\\NamespaceCollision\\A\\B' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/LegacyApc/beta',
                ),
-               'Apc\NamespaceCollision\A\B\Foo',
+               'LegacyApc\NamespaceCollision\A\B\Foo',
                '->loadClass() loads NamespaceCollision\A\B\Foo from beta.',
            ),
            array(
                array(
-                   'Apc\\NamespaceCollision\\A\\B' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/beta',
-                   'Apc\\NamespaceCollision\\A' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/alpha',
+                   'LegacyApc\\NamespaceCollision\\A\\B' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/LegacyApc/beta',
+                   'LegacyApc\\NamespaceCollision\\A' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/LegacyApc/alpha',
                ),
-               'Apc\NamespaceCollision\A\B\Bar',
+               'LegacyApc\NamespaceCollision\A\B\Bar',
                '->loadClass() loads NamespaceCollision\A\B\Bar from beta.',
            ),
        );
@@ -160,35 +155,35 @@ class LegacyApcUniversalClassLoaderTest extends \PHPUnit_Framework_TestCase
         return array(
            array(
                array(
-                   'ApcPrefixCollision_A_' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/alpha/Apc',
-                   'ApcPrefixCollision_A_B_' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/beta/Apc',
+                   'LegacyApcPrefixCollision_A_' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/LegacyApc/alpha/LegacyApc',
+                   'LegacyApcPrefixCollision_A_B_' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/LegacyApc/beta/LegacyApc',
                ),
-               'ApcPrefixCollision_A_Foo',
-               '->loadClass() loads ApcPrefixCollision_A_Foo from alpha.',
+               'LegacyApcPrefixCollision_A_Foo',
+               '->loadClass() loads LegacyApcPrefixCollision_A_Foo from alpha.',
            ),
            array(
                array(
-                   'ApcPrefixCollision_A_B_' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/beta/Apc',
-                   'ApcPrefixCollision_A_' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/alpha/Apc',
+                   'LegacyApcPrefixCollision_A_B_' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/LegacyApc/beta/LegacyApc',
+                   'LegacyApcPrefixCollision_A_' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/LegacyApc/alpha/LegacyApc',
                ),
-               'ApcPrefixCollision_A_Bar',
-               '->loadClass() loads ApcPrefixCollision_A_Bar from alpha.',
+               'LegacyApcPrefixCollision_A_Bar',
+               '->loadClass() loads LegacyApcPrefixCollision_A_Bar from alpha.',
            ),
            array(
                array(
-                   'ApcPrefixCollision_A_' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/alpha/Apc',
-                   'ApcPrefixCollision_A_B_' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/beta/Apc',
+                   'LegacyApcPrefixCollision_A_' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/LegacyApc/alpha/LegacyApc',
+                   'LegacyApcPrefixCollision_A_B_' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/LegacyApc/beta/LegacyApc',
                ),
-               'ApcPrefixCollision_A_B_Foo',
-               '->loadClass() loads ApcPrefixCollision_A_B_Foo from beta.',
+               'LegacyApcPrefixCollision_A_B_Foo',
+               '->loadClass() loads LegacyApcPrefixCollision_A_B_Foo from beta.',
            ),
            array(
                array(
-                   'ApcPrefixCollision_A_B_' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/beta/Apc',
-                   'ApcPrefixCollision_A_' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/Apc/alpha/Apc',
+                   'LegacyApcPrefixCollision_A_B_' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/LegacyApc/beta/LegacyApc',
+                   'LegacyApcPrefixCollision_A_' => __DIR__.DIRECTORY_SEPARATOR.'Fixtures/LegacyApc/alpha/LegacyApc',
                ),
-               'ApcPrefixCollision_A_B_Bar',
-               '->loadClass() loads ApcPrefixCollision_A_B_Bar from beta.',
+               'LegacyApcPrefixCollision_A_B_Bar',
+               '->loadClass() loads LegacyApcPrefixCollision_A_B_Bar from beta.',
            ),
        );
     }

Tests/LegacyUniversalClassLoaderTest.php

@@ -18,11 +18,6 @@ use Symfony\Component\ClassLoader\UniversalClassLoader;
  */
 class LegacyUniversalClassLoaderTest extends \PHPUnit_Framework_TestCase
 {
-    protected function setUp()
-    {
-        $this->iniSet('error_reporting', -1 & ~E_USER_DEPRECATED);
-    }
-
     /**
      * @dataProvider getLoadClassTests
      */

UniversalClassLoader.php

@@ -11,7 +11,7 @@
 
 namespace Symfony\Component\ClassLoader;
 
-trigger_error('The '.__NAMESPACE__.'\UniversalClassLoader class is deprecated since version 2.7 and will be removed in 3.0. Use the Symfony\Component\ClassLoader\ClassLoader class instead.', E_USER_DEPRECATED);
+@trigger_error('The '.__NAMESPACE__.'\UniversalClassLoader class is deprecated since version 2.7 and will be removed in 3.0. Use the Symfony\Component\ClassLoader\ClassLoader class instead.', E_USER_DEPRECATED);
 
 /**
  * UniversalClassLoader implements a "universal" autoloader for PHP 5.3.
@@ -58,8 +58,6 @@ trigger_error('The '.__NAMESPACE__.'\UniversalClassLoader class is deprecated si
  *
  * @author Fabien Potencier <fabien@symfony.com>
  *
- * @api
- *
  * @deprecated since version 2.4, to be removed in 3.0.
  *             Use the {@link ClassLoader} class instead.
  */
@@ -137,8 +135,6 @@ class UniversalClassLoader
      * Registers the directory to use as a fallback for namespaces.
      *
      * @param array $dirs An array of directories
-     *
-     * @api
      */
     public function registerNamespaceFallbacks(array $dirs)
     {
@@ -159,8 +155,6 @@ class UniversalClassLoader
      * Registers directories to use as a fallback for class prefixes.
      *
      * @param array $dirs An array of directories
-     *
-     * @api
      */
     public function registerPrefixFallbacks(array $dirs)
     {
@@ -181,8 +175,6 @@ class UniversalClassLoader
      * Registers an array of namespaces.
      *
      * @param array $namespaces An array of namespaces (namespaces as keys and locations as values)
-     *
-     * @api
      */
     public function registerNamespaces(array $namespaces)
     {
@@ -196,8 +188,6 @@ class UniversalClassLoader
      *
      * @param string       $namespace The namespace
      * @param array|string $paths     The location(s) of the namespace
-     *
-     * @api
      */
     public function registerNamespace($namespace, $paths)
     {
@@ -208,8 +198,6 @@ class UniversalClassLoader
      * Registers an array of classes using the PEAR naming convention.
      *
      * @param array $classes An array of classes (prefixes as keys and locations as values)
-     *
-     * @api
      */
     public function registerPrefixes(array $classes)
     {
@@ -223,8 +211,6 @@ class UniversalClassLoader
      *
      * @param string       $prefix The classes prefix
      * @param array|string $paths  The location(s) of the classes
-     *
-     * @api
      */
     public function registerPrefix($prefix, $paths)
     {
@@ -235,8 +221,6 @@ class UniversalClassLoader
      * Registers this instance as an autoloader.
      *
      * @param bool $prepend Whether to prepend the autoloader or not
-     *
-     * @api
      */
     public function register($prepend = false)
     {

XcacheClassLoader.php

@@ -45,8 +45,6 @@ namespace Symfony\Component\ClassLoader;
  * @author Fabien Potencier <fabien@symfony.com>
  * @author Kris Wallsmith <kris@symfony.com>
  * @author Kim Hemsø Rasmussen <kimhemsoe@gmail.com>
- *
- * @api
  */
 class XcacheClassLoader
 {
@@ -67,8 +65,6 @@ class XcacheClassLoader
      *
      * @throws \RuntimeException
      * @throws \InvalidArgumentException
-     *
-     * @api
      */
     public function __construct($prefix, $decorated)
     {

composer.json

@@ -20,11 +20,13 @@
         "php": ">=5.3.9"
     },
     "require-dev": {
-        "symfony/phpunit-bridge": "~2.7",
         "symfony/finder": "~2.0,>=2.0.5"
     },
     "autoload": {
-        "psr-4": { "Symfony\\Component\\ClassLoader\\": "" }
+        "psr-4": { "Symfony\\Component\\ClassLoader\\": "" },
+        "exclude-from-classmap": [
+            "/Tests/"
+        ]
     },
     "extra": {
         "branch-alias": {