3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $subject = " test test2 test3"; $subject = preg_replace("(^ |\n )", "\t", $subject); echo $subject;
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
test test2 test3