004+ Fatal error: Uncaught TypeError: Argument 2 passed to array_walk_recursive() must be callable, integer given in %s/array_walk_recursive1.php:5
005+ Stack trace:
006+ #0 %s/array_walk_recursive1.php(5): array_walk_recursive(1, 1)
007+ #1 {main}
008+ thrown in %s/array_walk_recursive1.php on line 5
004- Warning: array_walk_recursive() expects parameter 1 to be array, integer given in %s on line %d
005- NULL
006-
007- Warning: array_walk_recursive() expects parameter 2 to be a valid callback, function '' not found or invalid function name in %s on line %d
008- NULL
009- int(1)
010- int(0)
011- string(4) "data"
012- int(2)
013- int(1)
014- string(4) "data"
015- int(2)
016- int(0)
017- string(4) "data"
018- int(3)
019- int(1)
020- string(4) "data"
021- bool(true)
022- string(4) "data"
023- Done