Online PHP editor | output for OuMOm

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Warning: format(): Argument #1 ($collection) must be passed by reference, value given in /in/OuMOm on line 6 array(3) { ["a"]=> int(1) ["b"]=> int(2) ["c"]=> int(3) }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33: Warning: Parameter 1 to format() expected to be a reference, value given in /in/OuMOm on line 6 array(3) { ["a"]=> int(1) ["b"]=> int(2) ["c"]=> int(3) }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: array(3) { ["a"]=> int(1) ["b"]=> int(2) ["c"]=> int(3) }