From 62fad288482a02573d7c2f3463d97c7a0edbd533 Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@devilix.net>
Date: Thu, 19 Jun 2014 15:25:40 +0300
Subject: Fix #3112

---
 system/database/drivers/cubrid/cubrid_driver.php   | 9 +--------
 system/database/drivers/mysql/mysql_driver.php     | 4 +---
 system/database/drivers/mysqli/mysqli_driver.php   | 4 +---
 system/database/drivers/sqlite3/sqlite3_driver.php | 2 +-
 4 files changed, 4 insertions(+), 15 deletions(-)

(limited to 'system/database')

diff --git a/system/database/drivers/cubrid/cubrid_driver.php b/system/database/drivers/cubrid/cubrid_driver.php
index 138b0ed45..c5cb79683 100644
--- a/system/database/drivers/cubrid/cubrid_driver.php
+++ b/system/database/drivers/cubrid/cubrid_driver.php
@@ -264,14 +264,7 @@ class CI_DB_cubrid_driver extends CI_DB {
 	 */
 	protected function _escape_str($str)
 	{
-		if (function_exists('cubrid_real_escape_string') &&
-			(is_resource($this->conn_id)
-				OR (get_resource_type($this->conn_id) === 'Unknown' && preg_match('/Resource id #/', strval($this->conn_id)))))
-		{
-			return cubrid_real_escape_string($str, $this->conn_id);
-		}
-
-		return addslashes($str);
+		return cubrid_real_escape_string($str, $this->conn_id);
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php
index 7cbcf1028..a827a6ed4 100644
--- a/system/database/drivers/mysql/mysql_driver.php
+++ b/system/database/drivers/mysql/mysql_driver.php
@@ -336,9 +336,7 @@ class CI_DB_mysql_driver extends CI_DB {
 	 */
 	protected function _escape_str($str)
 	{
-		return is_resource($this->conn_id)
-			? mysql_real_escape_string($str, $this->conn_id)
-			: addslashes($str);
+		return mysql_real_escape_string($str, $this->conn_id);
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php
index 09277fc39..aa4c6b559 100644
--- a/system/database/drivers/mysqli/mysqli_driver.php
+++ b/system/database/drivers/mysqli/mysqli_driver.php
@@ -307,9 +307,7 @@ class CI_DB_mysqli_driver extends CI_DB {
 	 */
 	protected function _escape_str($str)
 	{
-		return is_object($this->conn_id)
-			? $this->conn_id->real_escape_string($str)
-			: addslashes($str);
+		return $this->conn_id->real_escape_string($str);
 	}
 
 	// --------------------------------------------------------------------
diff --git a/system/database/drivers/sqlite3/sqlite3_driver.php b/system/database/drivers/sqlite3/sqlite3_driver.php
index a7d0d087d..2b447a1b3 100644
--- a/system/database/drivers/sqlite3/sqlite3_driver.php
+++ b/system/database/drivers/sqlite3/sqlite3_driver.php
@@ -189,7 +189,7 @@ class CI_DB_sqlite3_driver extends CI_DB {
 	 */
 	protected function _escape_str($str)
 	{
-		return $this->conn_id->escapeString(remove_invisible_characters($str));
+		return $this->conn_id->escapeString($str);
 	}
 
 	// --------------------------------------------------------------------
-- 
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