3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $one = Array ( 4 => 'bim', 5 => 'pow', 6 => 'foo' ); $two = Array ( 'n' => Array ( 0 => 1 ), 'm' => Array ( 0 => 1, 1 => 2 ), 'l' => Array ( 0 => 1, 1 => 4, 2 => 64 ) ); $result = []; while((list($oneKey, $oneValue) = each($one)) && (list($twoKey, $twoValue) = each($two))) { $result[$oneValue] = array_map(function($item) use ($twoKey) { return $twoKey.'-'.$item; }, $twoValue); }; var_dump($result);
Output for 5.4.0 - 7.1.0
array(3) { ["bim"]=> array(1) { [0]=> string(3) "n-1" } ["pow"]=> array(2) { [0]=> string(3) "m-1" [1]=> string(3) "m-2" } ["foo"]=> array(3) { [0]=> string(3) "l-1" [1]=> string(3) "l-4" [2]=> string(4) "l-64" } }
Output for 5.2.3 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/nPa4W on line 29
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/nPa4W</b> on line <b>29</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/nPa4W</b> on line <b>29</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/nPa4W</b> on line <b>29</b><br />
Process exited with code 255.