Usage
add_filter( 'allowed_http_origin', 'your_callback_function', 10, 2 );Filter Callback:
function your_callback_function( $origin, $origin_arg ) {
// Your code here
return $origin;
}Parameters
$originParameter 1
$origin_argParameter 2
🔄 Filter Hook
Filter hooks allow you to modify data before it is saved to the database or displayed on the screen. Filters must return a value.