submit-new.php

<?php

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 if (null !== (filter_input(INPUT_POST, 'submit_password')) && filter_input(INPUT_POST, 'key') && filter_input(INPUT_POST, 'reset'))
{

$email = filter_input(INPUT_POST, 'email');
$pass = filter_input(INPUT_POST, 'password');
 include_once 'dbConfig.php';
 
  $select=mysql_query("update applicants set password='$pass' where email='$email'");
}