Merge branch '3.2' into 3.3

* 3.2:
  Fix optional cache warmers are always instantiated whereas they should be lazy-loaded
  add some \ on PHP_VERSION_ID for 2.8
  [PropertyInfo][DoctrineBridge] The bigint Doctrine's type must be converted to string

ApcClassLoader.php

@@ -11,6 +11,8 @@
 
 namespace Symfony\Component\ClassLoader;
 
+@trigger_error('The '.__NAMESPACE__.'\ApcClassLoader class is deprecated since version 3.3 and will be removed in 4.0. Use `composer install --apcu-autoloader` instead.', E_USER_DEPRECATED);
+
 /**
  * ApcClassLoader implements a wrapping autoloader cached in APC for PHP 5.3.
  *
@@ -44,6 +46,8 @@ namespace Symfony\Component\ClassLoader;
  *
  * @author Fabien Potencier <fabien@symfony.com>
  * @author Kris Wallsmith <kris@symfony.com>
+ *
+ * @deprecated since version 3.3, to be removed in 4.0. Use `composer install --apcu-autoloader` instead.
  */
 class ApcClassLoader
 {

CHANGELOG.md

@@ -1,6 +1,11 @@
 CHANGELOG
 =========
 
+3.3.0
+-----
+
+ * deprecated the component: use Composer instead
+
 3.0.0
 -----
 

ClassCollectionLoader.php

@@ -11,10 +11,16 @@
 
 namespace Symfony\Component\ClassLoader;
 
+if (\PHP_VERSION_ID >= 70000) {
+    @trigger_error('The '.__NAMESPACE__.'\ClassCollectionLoader class is deprecated since version 3.3 and will be removed in 4.0.', E_USER_DEPRECATED);
+}
+
 /**
  * ClassCollectionLoader.
  *
  * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @deprecated since version 3.3, to be removed in 4.0.
  */
 class ClassCollectionLoader
 {

ClassLoader.php

@@ -11,6 +11,8 @@
 
 namespace Symfony\Component\ClassLoader;
 
+@trigger_error('The '.__NAMESPACE__.'\ClassLoader class is deprecated since version 3.3 and will be removed in 4.0. Use Composer instead.', E_USER_DEPRECATED);
+
 /**
  * ClassLoader implements an PSR-0 class loader.
  *
@@ -36,6 +38,8 @@ namespace Symfony\Component\ClassLoader;
  *
  * @author Fabien Potencier <fabien@symfony.com>
  * @author Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * @deprecated since version 3.3, to be removed in 4.0.
  */
 class ClassLoader
 {

ClassMapGenerator.php

@@ -11,10 +11,14 @@
 
 namespace Symfony\Component\ClassLoader;
 
+@trigger_error('The '.__NAMESPACE__.'\ClassMapGenerator class is deprecated since version 3.3 and will be removed in 4.0. Use Composer instead.', E_USER_DEPRECATED);
+
 /**
  * ClassMapGenerator.
  *
  * @author Gyula Sallai <salla016@gmail.com>
+ *
+ * @deprecated since version 3.3, to be removed in 4.0.
  */
 class ClassMapGenerator
 {

MapClassLoader.php

@@ -11,10 +11,14 @@
 
 namespace Symfony\Component\ClassLoader;
 
+@trigger_error('The '.__NAMESPACE__.'\MapClassLoader class is deprecated since version 3.3 and will be removed in 4.0. Use Composer instead.', E_USER_DEPRECATED);
+
 /**
  * A class loader that uses a mapping file to look up paths.
  *
  * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @deprecated since version 3.3, to be removed in 4.0.
  */
 class MapClassLoader
 {

Psr4ClassLoader.php

@@ -11,12 +11,16 @@
 
 namespace Symfony\Component\ClassLoader;
 
+@trigger_error('The '.__NAMESPACE__.'\Psr4ClassLoader class is deprecated since version 3.3 and will be removed in 4.0. Use Composer instead.', E_USER_DEPRECATED);
+
 /**
  * A PSR-4 compatible class loader.
  *
  * See http://www.php-fig.org/psr/psr-4/
  *
  * @author Alexander M. Turek <me@derrabus.de>
+ *
+ * @deprecated since version 3.3, to be removed in 4.0.
  */
 class Psr4ClassLoader
 {

Tests/ApcClassLoaderTest.php

@@ -15,6 +15,9 @@ use PHPUnit\Framework\TestCase;
 use Symfony\Component\ClassLoader\ApcClassLoader;
 use Symfony\Component\ClassLoader\ClassLoader;
 
+/**
+ * @group legacy
+ */
 class ApcClassLoaderTest extends TestCase
 {
     protected function setUp()

Tests/ClassCollectionLoaderTest.php

@@ -21,6 +21,9 @@ require_once __DIR__.'/Fixtures/ClassesWithParents/CInterface.php';
 require_once __DIR__.'/Fixtures/ClassesWithParents/B.php';
 require_once __DIR__.'/Fixtures/ClassesWithParents/A.php';
 
+/**
+ * @group legacy
+ */
 class ClassCollectionLoaderTest extends TestCase
 {
     public function testTraitDependencies()

Tests/ClassLoaderTest.php

@@ -14,6 +14,9 @@ namespace Symfony\Component\ClassLoader\Tests;
 use PHPUnit\Framework\TestCase;
 use Symfony\Component\ClassLoader\ClassLoader;
 
+/**
+ * @group legacy
+ */
 class ClassLoaderTest extends TestCase
 {
     public function testGetPrefixes()

Tests/ClassMapGeneratorTest.php

@@ -14,6 +14,9 @@ namespace Symfony\Component\ClassLoader\Tests;
 use PHPUnit\Framework\TestCase;
 use Symfony\Component\ClassLoader\ClassMapGenerator;
 
+/**
+ * @group legacy
+ */
 class ClassMapGeneratorTest extends TestCase
 {
     /**

Tests/Psr4ClassLoaderTest.php

@@ -14,6 +14,9 @@ namespace Symfony\Component\ClassLoader\Tests;
 use PHPUnit\Framework\TestCase;
 use Symfony\Component\ClassLoader\Psr4ClassLoader;
 
+/**
+ * @group legacy
+ */
 class Psr4ClassLoaderTest extends TestCase
 {
     /**

WinCacheClassLoader.php

@@ -11,6 +11,8 @@
 
 namespace Symfony\Component\ClassLoader;
 
+@trigger_error('The '.__NAMESPACE__.'\WinCacheClassLoader class is deprecated since version 3.3 and will be removed in 4.0. Use `composer install --apcu-autoloader` instead.', E_USER_DEPRECATED);
+
 /**
  * WinCacheClassLoader implements a wrapping autoloader cached in WinCache.
  *
@@ -43,6 +45,8 @@ namespace Symfony\Component\ClassLoader;
  * @author Fabien Potencier <fabien@symfony.com>
  * @author Kris Wallsmith <kris@symfony.com>
  * @author Artem Ryzhkov <artem@smart-core.org>
+ *
+ * @deprecated since version 3.3, to be removed in 4.0. Use `composer install --apcu-autoloader` instead.
  */
 class WinCacheClassLoader
 {

XcacheClassLoader.php

@@ -11,6 +11,8 @@
 
 namespace Symfony\Component\ClassLoader;
 
+@trigger_error('The '.__NAMESPACE__.'\XcacheClassLoader class is deprecated since version 3.3 and will be removed in 4.0. Use `composer install --apcu-autoloader` instead.', E_USER_DEPRECATED);
+
 /**
  * XcacheClassLoader implements a wrapping autoloader cached in XCache for PHP 5.3.
  *
@@ -43,6 +45,8 @@ namespace Symfony\Component\ClassLoader;
  * @author Fabien Potencier <fabien@symfony.com>
  * @author Kris Wallsmith <kris@symfony.com>
  * @author Kim Hemsø Rasmussen <kimhemsoe@gmail.com>
+ *
+ * @deprecated since version 3.3, to be removed in 4.0. Use `composer install --apcu-autoloader` instead.
  */
 class XcacheClassLoader
 {

composer.json

@@ -34,7 +34,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "3.2-dev"
+            "dev-master": "3.3-dev"
         }
     }
 }