$h = (array) raphf\stat_persistent_handles();
var_dump(array_intersect_key($h, array_flip(preg_grep("/^http/", array_keys($h)))));
$h = (array) raphf\stat_persistent_handles();
var_dump(array_intersect_key($h, array_flip(preg_grep("/^http/", array_keys($h)))));