Online PHP editor | output for Cj17A

Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.19, 8.4.1 - 8.4.5: array(4) { [""]=> string(3) "bar" [17]=> string(3) "baz" ["foobar"]=> int(19) [0]=> string(6) "barfoo" } array(4) { [""]=> string(3) "bar" [17]=> string(3) "baz" ["foobar"]=> int(19) [0]=> string(6) "barfoo" } array(4) { [""]=> string(3) "bar" [17]=> string(3) "baz" ["foobar"]=> int(19) [0]=> string(6) "barfoo" } array(4) { [""]=> string(3) "bar" [17]=> string(3) "baz" ["foobar"]=> int(19) [0]=> string(6) "barfoo" }
Output for 7.4.0 - 7.4.33: array(4) { [""]=> string(3) "bar" [17]=> string(3) "baz" ["foobar"]=> int(19) [0]=> string(6) "barfoo" } Warning: array_filter() expects parameter 2 to be a valid callback, no array or string given in /in/Cj17A on line 13 NULL Warning: array_filter() expects parameter 2 to be a valid callback, no array or string given in /in/Cj17A on line 14 NULL Warning: array_filter() expects parameter 2 to be a valid callback, no array or string given in /in/Cj17A on line 15 NULL