3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo json_encode(['my_value' => (float) '2.19']);

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

Output for Typed properties v2
{"my_value":2.19}
Output for Array change keys
{"my_value":2.19}
Output for Lexical anon
{"my_value":2.19}

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