Merge branch '2.8' into 3.3

* 2.8:
  [Intl] Make intl-data tests pass and save language aliases again
  Remove useless docblocks
  [PropertyInfo] Remove useless docblocks

ApcClassLoader.php

@@ -61,8 +61,6 @@ class ApcClassLoader
     protected $decorated;
 
     /**
-     * Constructor.
-     *
      * @param string $prefix    The APC namespace prefix to use
      * @param object $decorated A class loader object that implements the findFile() method
      *

ClassCollectionLoader.php

@@ -11,7 +11,7 @@
 
 namespace Symfony\Component\ClassLoader;
 
-if (PHP_VERSION_ID >= 70000) {
+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);
 }
 
@@ -245,7 +245,7 @@ REGEX;
                 do {
                     $token = $tokens[++$i];
                     $output .= isset($token[1]) && 'b"' !== $token ? $token[1] : $token;
-                } while ($token[0] !== T_END_HEREDOC);
+                } while (T_END_HEREDOC !== $token[0]);
                 $output .= "\n";
                 $rawChunk = '';
             } elseif (T_CONSTANT_ENCAPSED_STRING === $token[0]) {
@@ -262,7 +262,7 @@ REGEX;
 
         $output .= self::compressCode($rawChunk);
 
-        if (PHP_VERSION_ID >= 70000) {
+        if (\PHP_VERSION_ID >= 70000) {
             // PHP 7 memory manager will not release after token_get_all(), see https://bugs.php.net/70098
             unset($tokens, $rawChunk);
             gc_mem_caches();
@@ -324,8 +324,6 @@ REGEX;
     /**
      * Gets an ordered array of passed classes including all their dependencies.
      *
-     * @param array $classes
-     *
      * @return \ReflectionClass[] An array of sorted \ReflectionClass instances (dependencies added if needed)
      *
      * @throws \InvalidArgumentException When a class can't be loaded

ClassMapGenerator.php

@@ -62,13 +62,13 @@ class ClassMapGenerator
 
             $path = $file->getRealPath() ?: $file->getPathname();
 
-            if (pathinfo($path, PATHINFO_EXTENSION) !== 'php') {
+            if ('php' !== pathinfo($path, PATHINFO_EXTENSION)) {
                 continue;
             }
 
             $classes = self::findClasses($path);
 
-            if (PHP_VERSION_ID >= 70000) {
+            if (\PHP_VERSION_ID >= 70000) {
                 // PHP 7 memory manager will not release after token_get_all(), see https://bugs.php.net/70098
                 gc_mem_caches();
             }

MapClassLoader.php

@@ -25,8 +25,6 @@ class MapClassLoader
     private $map = array();
 
     /**
-     * Constructor.
-     *
      * @param array $map A map where keys are classes and values the absolute file path
      */
     public function __construct(array $map)

Psr4ClassLoader.php

@@ -24,9 +24,6 @@ namespace Symfony\Component\ClassLoader;
  */
 class Psr4ClassLoader
 {
-    /**
-     * @var array
-     */
     private $prefixes = array();
 
     /**

WinCacheClassLoader.php

@@ -60,8 +60,6 @@ class WinCacheClassLoader
     protected $decorated;
 
     /**
-     * Constructor.
-     *
      * @param string $prefix    The WinCache namespace prefix to use
      * @param object $decorated A class loader object that implements the findFile() method
      *

XcacheClassLoader.php

@@ -51,17 +51,9 @@ namespace Symfony\Component\ClassLoader;
 class XcacheClassLoader
 {
     private $prefix;
-
-    /**
-     * A class loader object that implements the findFile() method.
-     *
-     * @var object
-     */
     private $decorated;
 
     /**
-     * Constructor.
-     *
      * @param string $prefix    The XCache namespace prefix to use
      * @param object $decorated A class loader object that implements the findFile() method
      *

composer.json

@@ -17,7 +17,7 @@
     ],
     "minimum-stability": "dev",
     "require": {
-        "php": ">=5.5.9"
+        "php": "^5.5.9|>=7.0.8"
     },
     "require-dev": {
         "symfony/finder": "~2.8|~3.0",