I'm trying to pass a argument to the function. But it is not transmitted. var_dump produces
string'' (length = 0)
What am I doing wrong?
$map_vars = 'Test';
function map_data($data) {
var_dump($data);
}
add_action('wp_footer', 'map_data', 10, 1);
do_action( 'map_data', $map_vars );