diff options
Diffstat (limited to 'system/database/DB_driver.php')
| -rw-r--r-- | system/database/DB_driver.php | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php index d63a1d955..b7c6b4e8e 100644 --- a/system/database/DB_driver.php +++ b/system/database/DB_driver.php @@ -1168,8 +1168,21 @@ abstract class CI_DB_driver { */ protected function _get_operator($str) { - return preg_match('/(=|!|<|>| IS NULL| IS NOT NULL| BETWEEN)/i', $str, $match) - ? $match[1] : FALSE; + static $_operators = array( + '\s*(?:<|>|!)?=\s*', // =, <=, >=, != + '\s*<>?\s*', // <, <> + '\s*>\s*', // > + '\s+IS NULL', // IS NULL + '\s+IS NOT NULL', // IS NOT NULL + '\s+LIKE\s+', // LIKE + '\s+NOT LIKE\s+', // NOT LIKE + '\s+BETWEEN\s+\S+\s+AND\s+\S+', // BETWEEN value AND value + '\s+IN\s*\([^\)]+\)', // IN(list) + '\s+NOT IN\s*\([^\)]+\)' // NOT IN (list) + ); + + return preg_match('/'.implode('|', $_operators).'/i', $str, $match) + ? $match[0] : FALSE; } // -------------------------------------------------------------------- |