3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = "0x80" + 0; var_dump($a);
Output for 7.1.0 - 7.3.1
Notice: A non well formed numeric value encountered in /in/Tu5Q1 on line 2 int(0)
Output for 7.0.0 - 7.0.20
int(0)
Output for 4.3.0 - 5.6.28
int(128)