3v4l.org

run code in 300+ PHP versions simultaneously
<?php $_GET = ['user' => 'Bob', 'location' => 'city']; $queryStr = http_build_query($_GET); echo $queryStr, PHP_EOL; $sth = str_replace ("user", "somethingelse",$queryStr); echo $sth, PHP_EOL; $sth = substr($queryStr, 0, 9); echo $sth, PHP_EOL;
Output for git.master, git.master_jit, rfc.property-hooks
user=Bob&location=city somethingelse=Bob&location=city user=Bob&

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:
62 ms | 405 KiB | 5 Q