3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php define("FALSE", true); if (not FALSE) { echo "TRUE"; } else { echo "FALSE"; }
Output for 5.4.0 - 5.4.8
Parse error: syntax error, unexpected 'FALSE' (T_STRING) in /in/9LLBp on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.18
Parse error: syntax error, unexpected T_STRING in /in/9LLBp on line 5
Process exited with code 255.