Removed nearly all call_user_* from core( not drivers )

lib/Doctrine/DBAL/Connection.php

@@ -923,17 +923,7 @@ class Connection implements DriverConnection
         }
 
         try {
-            switch (func_num_args()) {
-                case 1:
-                    $statement = $this->_conn->query($args[0]);
-                    break;
-                case 2:
-                    $statement = $this->_conn->query($args[0], $args[1]);
-                    break;
-                default:
-                    $statement = call_user_func_array(array($this->_conn, 'query'), $args);
-                    break;
-            }
+            $statement = $this->_conn->query(...$args);
         } catch (Exception $ex) {
             throw DBALException::driverExceptionDuringQuery($this->_driver, $ex, $args[0]);
         }

lib/Doctrine/DBAL/Connections/MasterSlaveConnection.php

@@ -368,8 +368,8 @@ class MasterSlaveConnection extends Connection
         if ($logger) {
             $logger->startQuery($args[0]);
         }
-
-        $statement = call_user_func_array(array($this->_conn, 'query'), $args);
+        
+        $statement = $this->_conn->query(...$args);
 
         if ($logger) {
             $logger->stopQuery();

lib/Doctrine/DBAL/Portability/Connection.php

@@ -141,7 +141,7 @@ class Connection extends \Doctrine\DBAL\Connection
     {
         $this->connect();
 
-        $stmt = call_user_func_array(array($this->_conn, 'query'), func_get_args());
+        $stmt = $this->_conn->query(...func_get_args());
         $stmt = new Statement($stmt, $this);
         $stmt->setFetchMode($this->defaultFetchMode);