3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a1 = array('A' => 3, 'B' => 4); $a2 = array(); print_r(array_values($a2)+ array_keys($a1)); //print_r($a2+$a1);
based on JI1RU
Output for 4.3.0 - 5.0.5, 5.1.1 - 7.2.0
Array ( [0] => A [1] => B )
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/ZIV1g on line 8
Process exited with code 255.