ข้อมูลที่ส่งจาก Form ไม่เข้าในฐานข้อมูลที่สร้างไว้ครับ

<?php
include "function.php";
?>
<form ACTION="chanels_send.php" name="chanels_send" METHOD="POST" ENCTYPE="multipart/form-data">
    <input type="TEXT" name="name" placeholder="Name *" required>
    <select name="type">
        <option value="0">Selection</option>
        <?php
            for ($i=1;$i<=count ($type) ;$i++) {
                echo "<option value='$i'>$type[$i]</option>";
            }
?>
    </select>
    <button id="submit">Send</button>
</form>

<?php
$link = @mysqli_connect("localhost", "root", "root", "acedata")
        or die(mysqli_connect_error()."ผิดพลาด");
if ($_POST) {
    $title = $_POST['title'];
    $type = $_POST['type'];
    $sql = "INSERT INTO channels VALUES(
        '','$title','$type'";
    mysqli_query($link, $sql);
}
?>