3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo 2<<1 . "<br>"; echo 2<<2 . "<br>"; echo 2<<3 . "<br>";
based on F7GVf
Output for 7.1.0 - 7.2.0
Notice: A non well formed numeric value encountered in /in/5nkrh on line 3 4 Notice: A non well formed numeric value encountered in /in/5nkrh on line 4 8 Notice: A non well formed numeric value encountered in /in/5nkrh on line 5 16
Output for 5.3.19 - 7.0.20
4816