3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $var = "hello"; $output = $output = str_replace("hello","goodbye", $var); echo $output; ?>
based on Dtn4g
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
goodbye
Output for hhvm-3.10.0

Process exited with code 153.