3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(strlen(𠀋)); var_dump(preg_match('//u', "\xE3\x81\x82", $matches)); var_dump(preg_match('//u', "\xF0\xA0\x80\x8B", $matches)); var_dump(preg_match('//u', "\xF0\xA0\x80\x8B\x01\xFF", $matches)); var_dump(preg_match('//u', "𠀋", $matches)); var_dump("\xF0\xA0\x80\x8B" == "𠀋");
based on 5I8hN
Output for 5.3.4 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Notice: Use of undefined constant 𠀋 - assumed '𠀋' in /in/aRHat on line 2 int(4) int(1) int(1) bool(false) int(1) bool(true)
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.5 - 5.3.3
Notice: Use of undefined constant 𠀋 - assumed '𠀋' in /in/aRHat on line 2 int(4) int(1) int(1) int(0) int(1) bool(true)
Output for 4.3.0 - 4.3.4
Notice: Use of undefined constant 𠀋 - assumed '𠀋' in /in/aRHat on line 2 int(4) int(1) int(1) int(1) int(1) bool(true)