3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $i = 0; $sum = $i + ($i++); var_dump($sum, $i); $i = 0; $sum = 0 + $i + ($i++); var_dump($sum, $i); $i = 0; $sum = $i + $i + ($i++); var_dump($sum, $i);
Output for 5.1.0 - 7.1.0
int(1) int(1) int(0) int(1) int(0) int(1)
Output for 4.3.0 - 5.0.5
int(0) int(1) int(0) int(1) int(0) int(1)