3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace { function foo($where) { echo "{$where}:\n"; debug_print_backtrace(); } call_user_func("foo", "No namespace"); echo "\n"; } namespace bar { call_user_func("foo", "In a namespace"); }
Output for git.master, git.master_jit, rfc.property-hooks
No namespace: #0 /in/q3qk5(10): foo('No namespace') In a namespace: #0 [internal function]: foo('In a namespace') #1 /in/q3qk5(18): call_user_func('foo', 'In a namespace')

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:
60.44 ms | 401 KiB | 8 Q