3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function a($x) { return $x + 1; } $x = a(PHP_INT_MAX); var_dump($x);
based on mBJFO
Output for 4.4.0 - 4.4.9, 5.0.5 - 7.1.0
float(9.2233720368548E+18)
Output for 4.3.0 - 4.3.11, 5.0.0 - 5.0.4
Notice: Use of undefined constant PHP_INT_MAX - assumed 'PHP_INT_MAX' in /in/ci7bb on line 5 int(1)