array(0) {
}
-Warning: array_filter() expects parameter 2 to be valid callback, array given in %s on line %d
+Warning: array_filter() expects parameter 2 to be a valid callback, array must have exactly two members in %s on line %d
NULL
Warning: array_filter() expects parameter 1 to be array, string given in %s on line %d
NULL
-Warning: array_filter() expects parameter 2 to be valid callback, integer given in %s on line %d
+Warning: array_filter() expects parameter 2 to be a valid callback, no array or string given in %s on line %d
NULL
== DONE ==