3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 'foo'; $b = & $a; $c = 'moo'; $vars = get_defined_vars(); $vars['a'] = 'OMG'; $vars['c'] = 'Pie'; var_dump($a, $b, $c);
Output for 4.3.0 - 7.1.0
string(3) "OMG" string(3) "OMG" string(3) "moo"