stripos()WP 1.0

For php4 compatibility

No Hooks.

Return

null. Nothing (null).

Usage

stripos( $haystack, $needle );
$haystack (required)
-
$needle (required)
-

stripos() code WP 6.5.2

function stripos($haystack, $needle){
    return strpos($haystack, stristr( $haystack, $needle ));
}