3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $x='apple'; $result= substr_replace('x',$x,1,2); echo $result; ?>
Output for 4.3.0 - 5.2.1, 5.2.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
xapple
Output for 5.2.2 - 5.2.3