3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $fecha= date(mday); echo $fecha;
based on aiKBr
Output for 7.2.0
Warning: Use of undefined constant mday - assumed 'mday' (this will throw an Error in a future version of PHP) in /in/UUfdd on line 2 1016pm15
Output for 5.4.0 - 7.1.10
Notice: Use of undefined constant mday - assumed 'mday' in /in/UUfdd on line 2 1016pm15