//request.php
<?php
include_once 'dbconnect.php';
include_once 'functions.php';

session_start(); // Our custom secure way of starting a PHP session.
//Select the database.
//$db_selected = mysqli_select_db($link, $db_database);
//if (!$db_selected) {
  //  die ('Cant use database : ' . mysqli_error());
if(mysqli_connect_errno()) {
echo "Error: Could not connect to database.";
exit;
}

//Select the database.
$db_selected = mysqli_select_db($link, $db_database);
if (!$db_selected) {
    die ('Cant use database : ' . mysqli_error());
}

$servicepost  = $_POST['servicepost'];
$duedate   = $_POST['duedate'];
$postdate	= $_POST['postdate'];
$username	= $_POST['username'];

// Insert data into mysql
 $sql = "INSERT INTO serviceposts VALUES ('".$servicepost."', '".$duedate."', '".$postdate."', '".$username."')";

$result= $link -> query($sql);

// if successfully insert data into database, displays message "Successful".
if($result){
	echo "request post success!";
   // header('Location: ../User.php?success=1');
}
else {
    echo "Possible data input error";
//header('Location: ../user.php?error=1');


	}
$link->close();

?>