3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 't'; $t = array('test' => 'hello', 0 => 'zero', 1 => 'one'); echo $$a[0];
Output for 7.0.0 - 7.1.0
zero
Output for 5.4.0 - 5.6.28, hhvm-3.12.0
Notice: Array to string conversion in /in/2EQCR on line 6 Array
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 5.3.29
Array