- Output for 7.0.0 - 7.0.25, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- NULL array(2) { ["a"]=> int(1) ["b"]=> string(1) "d" } array(2) { ["a"]=> int(1) ["b"]=> string(1) "d" }