Normalize quote_ident method

sys/db/db_pdo.php

@@ -23,6 +23,7 @@ abstract class DB_PDO extends PDO {
 
 	public $manip;
 	protected $statement;
+	protected $escape_char = '"';
 
 	/**
 	 * PDO constructor wrapper
@@ -172,7 +173,9 @@ abstract class DB_PDO extends PDO {
 		// Split each identifier by the period
 		$hiers = explode('.', $ident);
 
-		return '"'.implode('"."', $hiers).'"';
+		return $this->escape_char .
+			implode("{$this->escape_char}.{$this->escape_char}", $hiers) . 
+			$this->escape_char;
 	}
 
 	// -------------------------------------------------------------------------

sys/db/drivers/mysql/mysql_driver.php

@@ -19,6 +19,8 @@
  */
 class MySQL extends DB_PDO {
 
+	protected $escape_char = '`';
+
 	/**
 	 * Connect to MySQL Database
 	 *
@@ -83,26 +85,5 @@ class MySQL extends DB_PDO {
 	{
 		return isset($this->statement) ? $this->statement->rowCount() : FALSE;
 	}
-
-	// --------------------------------------------------------------------------
-
-	/**
-	 * Surrounds the string with the databases identifier escape characters
-	 *
-	 * @param string $ident
-	 * @return string
-	 */
-	public function quote_ident($ident)
-	{
-		if (is_array($ident))
-		{
-			return array_map(array($this, 'quote_ident'), $ident);
-		}
-
-		// Split each identifier by the period
-		$hiers = explode('.', $ident);
-
-		return '`'.implode('`.`', $hiers).'`';
-	}
 }
 //End of mysql_driver.php