3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(10,1234,144,2,101,231,213); $out = array_map(function ($v) { return implode('/', str_split($v)) . "/$v.txt"; }, $a); print_r($out);
Output for 5.3.0 - 5.3.29, 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 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
Array ( [0] => 1/0/10.txt [1] => 1/2/3/4/1234.txt [2] => 1/4/4/144.txt [3] => 2/2.txt [4] => 1/0/1/101.txt [5] => 2/3/1/231.txt [6] => 2/1/3/213.txt )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/SQn27 on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/SQn27 on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/SQn27 on line 5
Process exited with code 255.
preferences:
152.5 ms | 409 KiB | 5 Q