3v4l.org

run code in 300+ PHP versions simultaneously
<?php function r_null(){ return null; } function r_estr(){ return ''; } function r_tstr(){ return 'hi'; } function r_rstr(){ return 'bye'; } echo r_null() | r_estr() | r_tstr() | r_rstr();
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: Unsupported operand types: null | string in /in/4Wrha:7 Stack trace: #0 {main} thrown in /in/4Wrha on line 7
Process exited with code 255.

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:
38.68 ms | 401 KiB | 8 Q