Changeset 467

Timestamp:

09/01/2007 05:49:40 PM (15 months ago)

Author:

Geert

Message:

Regex optimization:

• Removed useless capturing parentheses
  
• Character class is faster than alternation with single characters
  
• If the string contains 'is not', a check for 'is ' is sufficient already
  

Files:

• trunk/system/libraries/Database.php (modified) (1 diff)

trunk/system/libraries/Database.php

@@ -826 +826 @@
          * @access  private
          * @param   string
-         * @return  bool
+         * @return  boolean
          */
         public function _has_operator($str)
         {
-                return (bool) preg_match('/(\s|<|>|!|=|is |is not)/i', trim($str));
+                return (bool) preg_match('/[\s=<>!]|is /i', trim($str));
         }