3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = null; $b = array('aa','bb', 'aa', 'cc'); $c = array_unique (array_merge ($a as array(), $b)); print_r($c);
based on 8avoQ
Output for 7.0.0 - 7.0.2
Parse error: syntax error, unexpected 'as' (T_AS), expecting ',' or ')' in /in/LEGT4 on line 5
Process exited with code 255.
Output for 5.4.12 - 5.6.17
Parse error: syntax error, unexpected 'as' (T_AS) in /in/LEGT4 on line 5
Process exited with code 255.
Output for 5.3.22 - 5.3.29
Parse error: syntax error, unexpected T_AS in /in/LEGT4 on line 5
Process exited with code 255.