3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(preg_match('/あ/u', "\xE3\x81\x82", $matches)); var_dump(preg_match('//u', "\xF0\xA0\x80\x8B", $matches)); var_dump(preg_match('//u', "𠀋", $matches)); var_dump("\xF0A0808B" == "𠀋");
based on lTpq6
Output for 4.3.0 - 7.1.0
int(1) int(1) int(1) bool(false)