3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = [1,2,3,4,5,6,7,8,9,10,11,12]; $ct = 0; $out = array_map(function($v, $y) use (&$ct){ return [$v[$ct++], $y[$ct++]]; }, $x, $x); print_r($out);
Output for 8.3.0 - 8.3.4, 8.3.6
Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Array ( [0] => Array ( [0] => [1] => ) [1] => Array ( [0] => [1] => ) [2] => Array ( [0] => [1] => ) [3] => Array ( [0] => [1] => ) [4] => Array ( [0] => [1] => ) [5] => Array ( [0] => [1] => ) [6] => Array ( [0] => [1] => ) [7] => Array ( [0] => [1] => ) [8] => Array ( [0] => [1] => ) [9] => Array ( [0] => [1] => ) [10] => Array ( [0] => [1] => ) [11] => Array ( [0] => [1] => ) )
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Warning: Trying to access array offset on int in /in/Q9KIL on line 7 Array ( [0] => Array ( [0] => [1] => ) [1] => Array ( [0] => [1] => ) [2] => Array ( [0] => [1] => ) [3] => Array ( [0] => [1] => ) [4] => Array ( [0] => [1] => ) [5] => Array ( [0] => [1] => ) [6] => Array ( [0] => [1] => ) [7] => Array ( [0] => [1] => ) [8] => Array ( [0] => [1] => ) [9] => Array ( [0] => [1] => ) [10] => Array ( [0] => [1] => ) [11] => Array ( [0] => [1] => ) )
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Warning: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Warning: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Warning: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Warning: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Warning: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Warning: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Warning: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Warning: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Warning: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Warning: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Warning: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Warning: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Warning: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Warning: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Warning: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Warning: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Warning: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Warning: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Warning: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Warning: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Warning: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Warning: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Warning: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Warning: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Array ( [0] => Array ( [0] => [1] => ) [1] => Array ( [0] => [1] => ) [2] => Array ( [0] => [1] => ) [3] => Array ( [0] => [1] => ) [4] => Array ( [0] => [1] => ) [5] => Array ( [0] => [1] => ) [6] => Array ( [0] => [1] => ) [7] => Array ( [0] => [1] => ) [8] => Array ( [0] => [1] => ) [9] => Array ( [0] => [1] => ) [10] => Array ( [0] => [1] => ) [11] => Array ( [0] => [1] => ) )
Output for 7.4.0 - 7.4.33
Notice: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Notice: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Notice: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Notice: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Notice: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Notice: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Notice: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Notice: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Notice: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Notice: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Notice: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Notice: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Notice: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Notice: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Notice: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Notice: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Notice: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Notice: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Notice: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Notice: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Notice: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Notice: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Notice: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Notice: Trying to access array offset on value of type int in /in/Q9KIL on line 7 Array ( [0] => Array ( [0] => [1] => ) [1] => Array ( [0] => [1] => ) [2] => Array ( [0] => [1] => ) [3] => Array ( [0] => [1] => ) [4] => Array ( [0] => [1] => ) [5] => Array ( [0] => [1] => ) [6] => Array ( [0] => [1] => ) [7] => Array ( [0] => [1] => ) [8] => Array ( [0] => [1] => ) [9] => Array ( [0] => [1] => ) [10] => Array ( [0] => [1] => ) [11] => Array ( [0] => [1] => ) )
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33
Array ( [0] => Array ( [0] => [1] => ) [1] => Array ( [0] => [1] => ) [2] => Array ( [0] => [1] => ) [3] => Array ( [0] => [1] => ) [4] => Array ( [0] => [1] => ) [5] => Array ( [0] => [1] => ) [6] => Array ( [0] => [1] => ) [7] => Array ( [0] => [1] => ) [8] => Array ( [0] => [1] => ) [9] => Array ( [0] => [1] => ) [10] => Array ( [0] => [1] => ) [11] => Array ( [0] => [1] => ) )
preferences:
172.53 ms | 404 KiB | 157 Q