3v4l.org

run code in 300+ PHP versions simultaneously
<?php $participantsAliases = []; $alphabet = range('A', 'Z'); $i = 1; for ($x = 1; $x <= 60; $x++) { $participantsAliases[''.$x] = $alphabet[$i]; if ($i > 26) { $participantsAliases[''.$x] .= ($i - 26); } $i++; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined array key 26 in /in/PVQaJ on line 9 Warning: Undefined array key 27 in /in/PVQaJ on line 9 Warning: Undefined array key 28 in /in/PVQaJ on line 9 Warning: Undefined array key 29 in /in/PVQaJ on line 9 Warning: Undefined array key 30 in /in/PVQaJ on line 9 Warning: Undefined array key 31 in /in/PVQaJ on line 9 Warning: Undefined array key 32 in /in/PVQaJ on line 9 Warning: Undefined array key 33 in /in/PVQaJ on line 9 Warning: Undefined array key 34 in /in/PVQaJ on line 9 Warning: Undefined array key 35 in /in/PVQaJ on line 9 Warning: Undefined array key 36 in /in/PVQaJ on line 9 Warning: Undefined array key 37 in /in/PVQaJ on line 9 Warning: Undefined array key 38 in /in/PVQaJ on line 9 Warning: Undefined array key 39 in /in/PVQaJ on line 9 Warning: Undefined array key 40 in /in/PVQaJ on line 9 Warning: Undefined array key 41 in /in/PVQaJ on line 9 Warning: Undefined array key 42 in /in/PVQaJ on line 9 Warning: Undefined array key 43 in /in/PVQaJ on line 9 Warning: Undefined array key 44 in /in/PVQaJ on line 9 Warning: Undefined array key 45 in /in/PVQaJ on line 9 Warning: Undefined array key 46 in /in/PVQaJ on line 9 Warning: Undefined array key 47 in /in/PVQaJ on line 9 Warning: Undefined array key 48 in /in/PVQaJ on line 9 Warning: Undefined array key 49 in /in/PVQaJ on line 9 Warning: Undefined array key 50 in /in/PVQaJ on line 9 Warning: Undefined array key 51 in /in/PVQaJ on line 9 Warning: Undefined array key 52 in /in/PVQaJ on line 9 Warning: Undefined array key 53 in /in/PVQaJ on line 9 Warning: Undefined array key 54 in /in/PVQaJ on line 9 Warning: Undefined array key 55 in /in/PVQaJ on line 9 Warning: Undefined array key 56 in /in/PVQaJ on line 9 Warning: Undefined array key 57 in /in/PVQaJ on line 9 Warning: Undefined array key 58 in /in/PVQaJ on line 9 Warning: Undefined array key 59 in /in/PVQaJ on line 9 Warning: Undefined array key 60 in /in/PVQaJ on line 9
Output for 7.0.0 - 7.0.24, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined offset: 26 in /in/PVQaJ on line 9 Notice: Undefined offset: 27 in /in/PVQaJ on line 9 Notice: Undefined offset: 28 in /in/PVQaJ on line 9 Notice: Undefined offset: 29 in /in/PVQaJ on line 9 Notice: Undefined offset: 30 in /in/PVQaJ on line 9 Notice: Undefined offset: 31 in /in/PVQaJ on line 9 Notice: Undefined offset: 32 in /in/PVQaJ on line 9 Notice: Undefined offset: 33 in /in/PVQaJ on line 9 Notice: Undefined offset: 34 in /in/PVQaJ on line 9 Notice: Undefined offset: 35 in /in/PVQaJ on line 9 Notice: Undefined offset: 36 in /in/PVQaJ on line 9 Notice: Undefined offset: 37 in /in/PVQaJ on line 9 Notice: Undefined offset: 38 in /in/PVQaJ on line 9 Notice: Undefined offset: 39 in /in/PVQaJ on line 9 Notice: Undefined offset: 40 in /in/PVQaJ on line 9 Notice: Undefined offset: 41 in /in/PVQaJ on line 9 Notice: Undefined offset: 42 in /in/PVQaJ on line 9 Notice: Undefined offset: 43 in /in/PVQaJ on line 9 Notice: Undefined offset: 44 in /in/PVQaJ on line 9 Notice: Undefined offset: 45 in /in/PVQaJ on line 9 Notice: Undefined offset: 46 in /in/PVQaJ on line 9 Notice: Undefined offset: 47 in /in/PVQaJ on line 9 Notice: Undefined offset: 48 in /in/PVQaJ on line 9 Notice: Undefined offset: 49 in /in/PVQaJ on line 9 Notice: Undefined offset: 50 in /in/PVQaJ on line 9 Notice: Undefined offset: 51 in /in/PVQaJ on line 9 Notice: Undefined offset: 52 in /in/PVQaJ on line 9 Notice: Undefined offset: 53 in /in/PVQaJ on line 9 Notice: Undefined offset: 54 in /in/PVQaJ on line 9 Notice: Undefined offset: 55 in /in/PVQaJ on line 9 Notice: Undefined offset: 56 in /in/PVQaJ on line 9 Notice: Undefined offset: 57 in /in/PVQaJ on line 9 Notice: Undefined offset: 58 in /in/PVQaJ on line 9 Notice: Undefined offset: 59 in /in/PVQaJ on line 9 Notice: Undefined offset: 60 in /in/PVQaJ on line 9
Output for 7.3.32 - 7.3.33

preferences:
161.33 ms | 401 KiB | 174 Q