From 585600207a79c1d9a7b0af5883bf384629b753a3 Mon Sep 17 00:00:00 2001
From: Pascal Kriete <pascal.kriete@ellislab.com>
Date: Wed, 10 Nov 2010 16:01:20 -0500
Subject: Removing instantiate_class(), which was needed to make php 4 and 5.3
 play together nicely. Removed all instantiations by reference.

---
 system/core/Common.php | 21 +--------------------
 system/core/Loader.php |  2 +-
 system/database/DB.php |  2 +-
 3 files changed, 3 insertions(+), 22 deletions(-)

diff --git a/system/core/Common.php b/system/core/Common.php
index 56fe713bd..6a3d5ac0a 100644
--- a/system/core/Common.php
+++ b/system/core/Common.php
@@ -163,29 +163,10 @@
 		// Keep track of what we just loaded
 		is_loaded($class);
 
-		$_classes[$class] =& instantiate_class(new $name());
+		$_classes[$class] = new $name();
 		return $_classes[$class];
 	}
 
-// ------------------------------------------------------------------------
-
-/**
- * Instantiate Class
- *
- * Returns a new class object by reference, used by load_class() and the DB class.
- * Required to retain PHP 4 compatibility and also not make PHP 5.3 cry.
- *
- * Use: $obj =& instantiate_class(new Foo());
- *
- * @access	public
- * @param	object
- * @return	object
- */
-	function &instantiate_class(&$class_object)
-	{
-		return $class_object;
-	}
-
 // --------------------------------------------------------------------
 
 /**
diff --git a/system/core/Loader.php b/system/core/Loader.php
index 69917648d..e97b18102 100644
--- a/system/core/Loader.php
+++ b/system/core/Loader.php
@@ -267,7 +267,7 @@ class CI_Loader {
 		require_once(BASEPATH.'database/drivers/'.$CI->db->dbdriver.'/'.$CI->db->dbdriver.'_utility'.EXT);
 		$class = 'CI_DB_'.$CI->db->dbdriver.'_utility';
 
-		$CI->dbutil =& instantiate_class(new $class());
+		$CI->dbutil = new $class();
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/database/DB.php b/system/database/DB.php
index b51995b68..60a67e821 100644
--- a/system/database/DB.php
+++ b/system/database/DB.php
@@ -130,7 +130,7 @@ function &DB($params = '', $active_record_override = NULL)
 
 	// Instantiate the DB adapter
 	$driver = 'CI_DB_'.$params['dbdriver'].'_driver';
-	$DB =& instantiate_class(new $driver($params));
+	$DB = new $driver($params);
 
 	if ($DB->autoinit == TRUE)
 	{
-- 
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