3v4l.org

run code in 300+ PHP versions simultaneously
<?php $key = 'valami_underscored_cucc'; $keys = array( 'valami_underscored_cucc', 'valami_underscored_cucc', 'valami_underscored_cucc', 'valami_underscored_cucc', 'valami_underscored_cucc', 'valami_underscored_cucc', 'valami_underscored_cucc', 'valami_underscored_cucc', 'valami_underscored_cucc', 'valami_underscored_cucc', ); foreach ($keys as $key) { echo preg_replace_callback( '/_(\w)/', function(array $matches) { return ucfirst($matches[1]); }, $key); }
Output for git.master, git.master_jit, rfc.property-hooks
valamiUnderscoredCuccvalamiUnderscoredCuccvalamiUnderscoredCuccvalamiUnderscoredCuccvalamiUnderscoredCuccvalamiUnderscoredCuccvalamiUnderscoredCuccvalamiUnderscoredCuccvalamiUnderscoredCuccvalamiUnderscoredCucc

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

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

preferences:
44.82 ms | 401 KiB | 8 Q