3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = '2d9'; $a = $a + 1; $a = $a + 1; var_dump($a);
Output for 7.1.0
Notice: A non well formed numeric value encountered in /in/4r6Ya on line 3 int(4)
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.14
int(4)