3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php define('SINGLE_QUOTE', '\''); define('COMMA', ','); echo SINGLE_QUOTE, hello, COMMA, world, SINGLE_QUOTE;
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
' Notice: Use of undefined constant hello - assumed 'hello' in /in/RpG6Q on line 6 hello, Notice: Use of undefined constant world - assumed 'world' in /in/RpG6Q on line 6 world'