3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $arr = [ ['name' => 'x'], ['name' => 'y'], ]; print_r(array_unique($arr));
Output for 7.2.0
Notice: Array to string conversion in /in/9HVUX on line 8 Notice: Array to string conversion in /in/9HVUX on line 8 Array ( [0] => Array ( [name] => x ) )
Output for 5.4.0 - 7.1.10
Notice: Array to string conversion in /in/9HVUX on line 8 Notice: Array to string conversion in /in/9HVUX on line 8 Notice: Array to string conversion in /in/9HVUX on line 8 Notice: Array to string conversion in /in/9HVUX on line 8 Array ( [0] => Array ( [name] => x ) )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/9HVUX on line 3
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/9HVUX on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/9HVUX on line 3
Process exited with code 255.