3v4l.org

run code in 300+ PHP versions simultaneously
<?php $json = '{"\u0000": true}'; var_dump(json_decode($json, true), json_last_error_msg()); var_dump(json_decode($json), json_last_error_msg());
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { [""]=> bool(true) } string(8) "No error" NULL string(36) "The decoded property name is invalid"

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:
33.66 ms | 1511 KiB | 4 Q