3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = ['banana','apple','corn',['pear','coconut']]; echo'<pre>'; print_r(array_map(array_fill_keys($array,[]),$array)); print_r(array_fill_keys($array,[]));
Output for 5.4.0 - 7.1.0
<pre> Notice: Array to string conversion in /in/2sFPl on line 5 Warning: array_map() expects parameter 1 to be a valid callback, array must have exactly two members in /in/2sFPl on line 5 Notice: Array to string conversion in /in/2sFPl on line 6 Array ( [banana] => Array ( ) [apple] => Array ( ) [corn] => Array ( ) [Array] => Array ( ) )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/2sFPl on line 2
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
Parse error: parse error, unexpected '[' in /in/2sFPl on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/2sFPl on line 2
Process exited with code 255.