3v4l.org

run code in 300+ PHP versions simultaneously
<?php $n = 0 - 0.00000000000000000000000000000000; var_dump($n); // float(-1.0E-33) var_dump(round($n)); // float(-0) var_dump(abs($n)); // 1.0E-33 var_dump(abs(round($n))); // 0 var_dump(round($n) == 0); var_dump(round($n) === 0);
Output for git.master, git.master_jit, rfc.property-hooks
float(0) float(0) float(0) float(0) bool(true) bool(false)

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:
49.78 ms | 401 KiB | 8 Q