3v4l.org

run code in 300+ PHP versions simultaneously
<?php function a () { return debug_backtrace(); } function b () { return a(); } var_dump(b());
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> array(4) { ["file"]=> string(9) "/in/BYm3F" ["line"]=> int(6) ["function"]=> string(1) "a" ["args"]=> array(0) { } } [1]=> array(4) { ["file"]=> string(9) "/in/BYm3F" ["line"]=> int(8) ["function"]=> string(1) "b" ["args"]=> array(0) { } } }

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:
39.97 ms | 402 KiB | 8 Q