3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array('a' => 'a', 'b' => 'b' ); $b = array('a' => 'a_p', 'b' => 'b_p' ); $c = array_merge($a, $b); //$d = $a + $b; var_dump($c); //var_dump($d);
Output for 4.3.0 - 5.0.5, 5.1.1 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(2) { ["a"]=> string(3) "a_p" ["b"]=> string(3) "b_p" }
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/M54iN on line 12
Process exited with code 255.