3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php // Source: https://bugs.php.net/bug.php?id=61225 var_dump(ff+1);
Output for 7.2.0 - 7.3.0rc4
Warning: Use of undefined constant ff - assumed 'ff' (this will throw an Error in a future version of PHP) in /in/CoJck on line 3 Warning: A non-numeric value encountered in /in/CoJck on line 3 int(1)
Output for 7.1.0 - 7.1.20
Notice: Use of undefined constant ff - assumed 'ff' in /in/CoJck on line 3 Warning: A non-numeric value encountered in /in/CoJck on line 3 int(1)
Output for 4.3.0 - 7.0.20
Notice: Use of undefined constant ff - assumed 'ff' in /in/CoJck on line 3 int(1)