3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php //$phone = "841657196818"; $phone = "841657336818"; if(preg_match("/^([1-9]{2})[0-9]{8|9|10}$/", $phone)) { echo "$phone Valid"; } else { echo "$phone Invalid."; }
based on GtKeV
Output for 4.3.0 - 7.2.0
841657336818 Invalid.