3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(preg_match("//u", "0xF0A0808B", $matches)); var_dump(preg_match("//u", "𠀋", $matches)); var_dump($matches); var_dump("\xF0A0808B" == "𠀋");
based on mvXR8
Output for 4.3.0 - 5.6.26, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
int(1) int(1) array(1) { [0]=> string(0) "" } bool(false)