3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php ob_start(); echo "This is buffered and isn't shown."; ob_end_clean(); ob_start(); echo "This is buffered but gets flushed by shutdown"; exit(0);
Output for 4.3.0 - 5.6.21, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
This is buffered but gets flushed by shutdown