Untitled

<!DOCTYPE html>
<!--
To change this license header, choose License Headers in Project Properties.
To change this template file, choose Tools | Templates
and open the template in the editor.
-->
<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
    </head>
    <body>
<?php

 if (isset($_POST['update'])) {
    $dbhost = '127.0.0.1';
    $dbuser = 'root';
    $dbpass = '';
    $db     = 'lala';

    $conn = mysqli_connect($dbhost, $dbuser, $dbpass);

    if (!$conn) {
        die("Fallo en conexión: " . mysqli_error());

    }

    $db_select = mysqli_select_db($conn, $db);

    if (!$db_select) {
        die("Fallo en conexión a base de datos: " . mysqli_error());

    }

    $ID = $_POST['p_ID'];
    $name = $_POST['p_Name'];
    $type = $_POST['p_Type'];
    $telephone = $_POST['p_Telephone'];
    $address = $_POST['p_Address'];
    $date = $_POST['p_Date'];

    if ($ID == 0){
    $sql = "INSERT INTO `employee`(`name`, `type`, `telephone`, `address`, `employmentDate`) VALUES ('$name','$type','$telephone','$address','$date')";
    }
    else{
    $sql = "INSERT INTO `employee`(`name`, `type`, `telephone`, `address`, `employmentDate`) VALUES ('$name','$type','$telephone','$address','$date')";
    $sql = "UPDATE `employee` SET `name`='$name',`type`='$type',`telephone`='$telephone', `address`='$address', `employmentDate`='$date'  WHERE `id_employee` = $id";

    }
    $qry = mysqli_query($conn, $sql) or die('Consulta fallida');

    if (!$qry) {
        die(mysqli_error());

    }
    echo 'done';
    mysqli_close($conn);
}
else {

?>
<form method = "post" action = "<?php $_PHP_SELF; ?>">
    <table width = "400" border = "0" cellspacing = "1" cellpadding = "2">
                <tr>
            <td width = "100">ID (Leave blank if inserting)</td>
                <td><input name = "p_ID" type = "text" id = "post_ID"></td>
        </tr>
        <tr>
            <td width = "100">NAME</td>
                <td><input name = "p_Name" type = "text" id = "post_Name"></td>
        </tr>
                <tr>
            <td width = "100">TYPE</td>
                <td><input name = "p_Type" type = "text" id = "post_Type"></td>
        </tr>
                        <tr>
            <td width = "100">Telephone</td>
                <td><input name = "p_Telephone" type = "text" id = "post_Telephone"></td>
        </tr>
                        <tr>
            <td width = "100">Address</td>
                <td><input name = "p_Address" type = "text" id = "post_Address"></td>
        </tr>
                        <tr>
            <td width = "100">Date</td>
                <td><input name = "p_Date" type = "text" value = "2018-03-09" id = "post_Date"></td>
        </tr>
        <tr>
            <td width = "100"> </td>
                <td> <input name = "update" type = "submit" id = "update" value = "update">
            </td>
        </tr>
    </table>
</form>

<?php
}
?>
    </body>
</html>