3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "0"; echo "'0' is empty? ",empty($a),"\n"; echo "'' == '0'? "; var_dump("" == "0"); echo "FALSE == '' and FALSE == '0'? "; var_dump(FALSE == ""); var_dump(FALSE == "0");
Output for git.master, git.master_jit, rfc.property-hooks
'0' is empty? 1 '' == '0'? bool(false) FALSE == '' and FALSE == '0'? bool(true) bool(true)

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:
65.62 ms | 401 KiB | 8 Q