3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $input = ["a" => ["green"], ["red"], "b" => ["green"], ["blue"], ["red"]]; $result = array_unique($input); print_r($result);
Output for 7.0.0 - 7.1.0
Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Array ( [a] => Array ( [0] => green ) )
Output for hhvm-3.10.0 - 3.12.0
Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Array ( [a] => Array ( [0] => green ) )
Output for 5.4.0 - 5.6.28
Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Notice: Array to string conversion in /in/ADLvl on line 3 Array ( [a] => Array ( [0] => green ) )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/ADLvl 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/ADLvl on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/ADLvl on line 2
Process exited with code 255.