3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array( '/foo/' => '1', '/foo' => '2', '/foo/bar/baz' => '3', '/foo/bar/b' => '4' ); function sort_keys_by_length_desc(array $a) { $lengths = array_map('strlen', array_keys($a)); $temp = $a; array_multisort($lengths, SORT_DESC, $temp); return $temp; } var_dump(sort_keys_by_length_desc($a));
Output for 5.1.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
array(4) { ["/foo/bar/baz"]=> string(1) "3" ["/foo/bar/b"]=> string(1) "4" ["/foo/"]=> string(1) "1" ["/foo"]=> string(1) "2" }
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/sJlqG on line 10
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_ARRAY, expecting ')' in /in/sJlqG on line 10
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_ARRAY, expecting ')' in /in/sJlqG on line 10
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/sJlqG on line 10
Process exited with code 255.