Date Not Saving in Mysql from Php Registration Form

Question

I am having trouble saving the date of birth in Mysql Db from Php registration form, what am I doing wrong?

1. Check.php

   $month = $_POST[\'month\'];

Answer 1

Mysql query should be format like

mysql_query("INSERT INTO users(FirstName,LastName,Phone,DOB)VALUES ( '".$FirstName."','". $LastName . "','" . $Phone . "','" . $Year . "-" . $Month + "-" . $Day . '")");