1 files changed, 10 insertions, 38 deletions

diff --git a/vendor/composer/ClassLoader.php b/vendor/composer/ClassLoader.php
index 2c72175e7..795376e87 100644
--- a/vendor/composer/ClassLoader.php
+++ b/vendor/composer/ClassLoader.php
@@ -53,9 +53,8 @@ class ClassLoader
 
     private $useIncludePath = false;
     private $classMap = array();
+
     private $classMapAuthoritative = false;
-    private $missingClasses = array();
-    private $apcuPrefix;
 
     public function getPrefixes()
     {
@@ -273,26 +272,6 @@ class ClassLoader
     }
 
     /**
-     * APCu prefix to use to cache found/not-found classes, if the extension is enabled.
-     *
-     * @param string|null $apcuPrefix
-     */
-    public function setApcuPrefix($apcuPrefix)
-    {
-        $this->apcuPrefix = function_exists('apcu_fetch') && ini_get('apc.enabled') ? $apcuPrefix : null;
-    }
-
-    /**
-     * The APCu prefix in use, or null if APCu caching is not enabled.
-     *
-     * @return string|null
-     */
-    public function getApcuPrefix()
-    {
-        return $this->apcuPrefix;
-    }
-
-    /**
      * Registers this instance as an autoloader.
      *
      * @param bool $prepend Whether to prepend the autoloader or not
@@ -334,34 +313,29 @@ class ClassLoader
      */
     public function findFile($class)
     {
+        // work around for PHP 5.3.0 - 5.3.2 https://bugs.php.net/50731
+        if ('\\' == $class[0]) {
+            $class = substr($class, 1);
+        }
+
         // class map lookup
         if (isset($this->classMap[$class])) {
             return $this->classMap[$class];
         }
-        if ($this->classMapAuthoritative || isset($this->missingClasses[$class])) {
+        if ($this->classMapAuthoritative) {
             return false;
         }
-        if (null !== $this->apcuPrefix) {
-            $file = apcu_fetch($this->apcuPrefix.$class, $hit);
-            if ($hit) {
-                return $file;
-            }
-        }
 
         $file = $this->findFileWithExtension($class, '.php');
 
         // Search for Hack files if we are running on HHVM
-        if (false === $file && defined('HHVM_VERSION')) {
+        if ($file === null && defined('HHVM_VERSION')) {
             $file = $this->findFileWithExtension($class, '.hh');
         }
 
-        if (null !== $this->apcuPrefix) {
-            apcu_add($this->apcuPrefix.$class, $file);
-        }
-
-        if (false === $file) {
+        if ($file === null) {
             // Remember that this class does not exist.
-            $this->missingClasses[$class] = true;
+            return $this->classMap[$class] = false;
         }
 
         return $file;
@@ -429,8 +403,6 @@ class ClassLoader
         if ($this->useIncludePath && $file = stream_resolve_include_path($logicalPathPsr0)) {
             return $file;
         }
-
-        return false;
     }
 }