3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = [ 'xx' => range(1, 10), 'yy' => range(1, 4) ]; $length = max(array_map('count', $array)); $array = array_map( function (array $a) use ($length) { return array_pad($a, $length, null); }, $array ); print_r($array);
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [xx] => Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 [4] => 5 [5] => 6 [6] => 7 [7] => 8 [8] => 9 [9] => 10 ) [yy] => Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 [4] => [5] => [6] => [7] => [8] => [9] => ) )
Output for 5.2.3 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/Gujmc on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected '[' in <b>/in/Gujmc</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
<br /> <b>Parse error</b>: parse error, unexpected '[' in <b>/in/Gujmc</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error in <b>/in/Gujmc</b> on line <b>3</b><br />
Process exited with code 255.