3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_export(filter_var("0", FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE)); var_export(filter_var("+0", FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE)); var_export(filter_var("-0", FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE));
Output for git.master, git.master_jit, rfc.property-hooks
falseNULLNULL

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:
37.17 ms | 401 KiB | 8 Q