I have my codes here, i cant update my database using this codes please help.
if(isset($_GET['submit'])){
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "elev8groupportal";
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
//$req_code = $_POST['req_code'];
//$req_code = $_GET['req_code'];
$req_code = $_POST['req_code'];
$sql = "UPDATE request SET req_status='Waiting for Note', req_dateapprove = NOW() WHERE req_code='".$_POST['req_code']."' LIMIT 1";
//WHERE req_code= '".$_POST['req_code']."' and req_dateapprove = NOW() ";
if ($conn->query($sql) === TRUE) {
echo "Record updated successfully";
} else {
echo "Error updating record: " . $conn->error;
}
$conn->close();
}