3v4l.org

run code in 300+ PHP versions simultaneously
<?php function d($t, $o){ $t = deg2rad($t); $o = deg2rad($o); if($t<0)$t += M_PI*2; if($o<0)$o += M_PI*2; $diff = abs($t-$o); $diff = min( M_PI*2 - $diff, $diff); echo rad2deg($diff) .PHP_EOL; } d(-1,1);//2 d(-90,90);//180 d(1,3); d(-179,179);//2 d(-1,-3);
Output for git.master, git.master_jit, rfc.property-hooks
2 180 2 2 2

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:
37.58 ms | 401 KiB | 8 Q