3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = 'p'; echo $a += (++$a) + (++$a); $a = 0; echo $a += (++$a) + (++$a);
Output for 7.1.0 - 7.2.0
Warning: A non-numeric value encountered in /in/1oOAm on line 5 Warning: A non-numeric value encountered in /in/1oOAm on line 5 Warning: A non-numeric value encountered in /in/1oOAm on line 5 05
Output for 5.4.0 - 7.0.20
05