3v4l.org

run code in 300+ PHP versions simultaneously
<?php $val = stream_context_create(); var_dump(json_encode($val)); var_dump(json_last_error()); var_dump(PHP_VERSION_ID >= 50500 ? json_last_error_msg() : NULL);
Output for git.master, git.master_jit, rfc.property-hooks
bool(false) int(8) string(21) "Type is not supported"

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:
44.03 ms | 401 KiB | 8 Q