3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $string = ' The quick brown fox jumped over the lazy dog.'; $patterns = array(); $patterns[0] = $x; $replacements = array(); $replacements[0] = ''; echo preg_replace('/^\s*/', '', $string); ?>
based on kfCWF

Shows result from various feature-branches currently under review from the php developers. Contact me to have additional branches featured.

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page