Simple function for using in_array() with case insensitive querying. function i_in_array($needle, $haystack) { return in_array(strtolower($needle), array_map("strtolower", $haystack)); }

In MySQL I use IF(value,then,else) quite often, but in a new project I am doing I need to do the…

If you need to use :contains() as a selector but need a case insensitive one, you need to extend jQuery…