3v4l.org

run code in 300+ PHP versions simultaneously
<?php $myApp = []; $myApp["doTheThing"] = function () use (&$myApp) { echo 'Doing The Thing'; return $myApp; }; $myApp["doTheOtherThing"] = function () use (&$myApp) { echo "The Other Thing\n"; return $myApp; }; $myApp['doTheOtherThing']()['doTheThing'](); echo "\n------\n"; $myApp['doTheThing']()['doTheOtherThing']();
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
The Other Thing Doing The Thing ------ Doing The ThingThe Other Thing

preferences:
170.48 ms | 403 KiB | 184 Q