3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php list($action,$what) = array("Raining ","Cats 'n Dogs"); echo $action . $what,"\n"; echo $action, $what,"\n"; echo $action; echo $what; echo "\n"; echo "$action$what\n"; echo "{$action}{$what}\n"; echo "${'action'}${'what'}\n"; echo "${action}${what}\n";
based on Y3pXM
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Raining Cats 'n Dogs Raining Cats 'n Dogs Raining Cats 'n Dogs Raining Cats 'n Dogs Raining Cats 'n Dogs Raining Cats 'n Dogs Raining Cats 'n Dogs
Output for hhvm-3.10.0

Process exited with code 153.