<?php
$_POST['$source'] = 'zzzzzzzzzzzzzzzzz bo.y xxxxxxxxxxxxx';
if(preg_match('(bo(\.?)y|man)', $_POST['$source']) === 1) { $gender = 'M';
}elseif(preg_match('(gir|won)', $_POST['$source']) === 1){ $gender = 'F';
}elseif(preg_match('(othe)', $_POST['$source']) === 1){ $gender = 'T';
}
echo $gender;
PD9waHAKCgokX1BPU1RbJyRzb3VyY2UnXSA9ICd6enp6enp6enp6enp6enp6eiBiby55IHh4eHh4eHh4eHh4eHgnOwoKCmlmKHByZWdfbWF0Y2goJyhibyhcLj8peXxtYW4pJywgJF9QT1NUWyckc291cmNlJ10pID09PSAxKSB7CiAgICAkZ2VuZGVyID0gJ00nOwp9ZWxzZWlmKHByZWdfbWF0Y2goJyhnaXJ8d29uKScsICRfUE9TVFsnJHNvdXJjZSddKSA9PT0gMSl7CiAgICAkZ2VuZGVyID0gJ0YnOwp9ZWxzZWlmKHByZWdfbWF0Y2goJyhvdGhlKScsICRfUE9TVFsnJHNvdXJjZSddKSA9PT0gMSl7CiAgICAkZ2VuZGVyID0gJ1QnOwp9CgplY2hvICRnZW5kZXI7