Online PHP editor | output for 4oSv3

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: SORT_FLAG_CASE : 8 array(4) { ["a"]=> int(0) ["Bar"]=> int(1) ["bar"]=> int(3) ["foo"]=> int(2) }
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33: SORT_FLAG_CASE : 8 array(4) { ["a"]=> int(0) ["bar"]=> int(3) ["Bar"]=> int(1) ["foo"]=> int(2) }
Output for 5.3.0 - 5.3.29: SORT_FLAG_CASE : Warning: natcasesort() expects parameter 1 to be array, null given in /in/4oSv3 on line 8 array(4) { ["foo"]=> int(2) ["Bar"]=> int(1) ["bar"]=> int(3) ["a"]=> int(0) }
Output for 4.3.2 - 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: SORT_FLAG_CASE : Warning: natcasesort(): The argument should be an array in /in/4oSv3 on line 8 array(4) { ["foo"]=> int(2) ["Bar"]=> int(1) ["bar"]=> int(3) ["a"]=> int(0) }
Output for 4.3.0 - 4.3.1: SORT_FLAG_CASE : Warning: natcasesort() [http://www.php.net/function.natcasesort]: The argument should be an array in /in/4oSv3 on line 8 array(4) { ["foo"]=> int(2) ["Bar"]=> int(1) ["bar"]=> int(3) ["a"]=> int(0) }