3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(decbin(ord(chr(1)))); for ($i=0; $i<10; $i++) { var_dump(decbin(ord(chr(1) << $i))); }

Shows result from various feature-branches currently under review from the php developers. Contact me to have additional branches featured.

Output for Typed properties v2
string(1) "1" Warning: A non-numeric value encountered in /in/f1VHG on line 5 string(6) "110000" Warning: A non-numeric value encountered in /in/f1VHG on line 5 string(6) "110000" Warning: A non-numeric value encountered in /in/f1VHG on line 5 string(6) "110000" Warning: A non-numeric value encountered in /in/f1VHG on line 5 string(6) "110000" Warning: A non-numeric value encountered in /in/f1VHG on line 5 string(6) "110000" Warning: A non-numeric value encountered in /in/f1VHG on line 5 string(6) "110000" Warning: A non-numeric value encountered in /in/f1VHG on line 5 string(6) "110000" Warning: A non-numeric value encountered in /in/f1VHG on line 5 string(6) "110000" Warning: A non-numeric value encountered in /in/f1VHG on line 5 string(6) "110000" Warning: A non-numeric value encountered in /in/f1VHG on line 5 string(6) "110000"
Output for Array change keys
string(1) "1" Warning: A non-numeric value encountered in /in/f1VHG on line 5 string(6) "110000" Warning: A non-numeric value encountered in /in/f1VHG on line 5 string(6) "110000" Warning: A non-numeric value encountered in /in/f1VHG on line 5 string(6) "110000" Warning: A non-numeric value encountered in /in/f1VHG on line 5 string(6) "110000" Warning: A non-numeric value encountered in /in/f1VHG on line 5 string(6) "110000" Warning: A non-numeric value encountered in /in/f1VHG on line 5 string(6) "110000" Warning: A non-numeric value encountered in /in/f1VHG on line 5 string(6) "110000" Warning: A non-numeric value encountered in /in/f1VHG on line 5 string(6) "110000" Warning: A non-numeric value encountered in /in/f1VHG on line 5 string(6) "110000" Warning: A non-numeric value encountered in /in/f1VHG on line 5 string(6) "110000"
Output for Lexical anon
string(1) "1" string(6) "110000" string(6) "110000" string(6) "110000" string(6) "110000" string(6) "110000" string(6) "110000" string(6) "110000" string(6) "110000" string(6) "110000" string(6) "110000"

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