seller_profile_save.php

<?php
session_start();

require_once "conn.php";

if (!isset($_SESSION["seller_id"])) {
    echo "<script>alert('Login to use our services');";
    echo "window.location.href = 'selleronastra.html';</script>";
    exit(); // Stop execution
} else {
    if ($_SERVER["REQUEST_METHOD"] == "POST") {
        $user_id = $_SESSION["seller_id"];
        $store_name = $_POST['store_name'];
        $store_description = $_POST['storedesc'];
        $alternative_phone_number = $_POST["alternative_phone_number"];

        $sql = "UPDATE seller_profile SET store_name=?, store_description=?, alt_ph_no=? WHERE UID=?";
        $stmt = $conn->prepare($sql);
        $stmt->bind_param("ssii", $store_name,  $store_description, $alternative_phone_number, $user_id);
        if ($stmt->execute()) {
            echo "<script>alert('Profile updated successfully');";
            echo "window.location.href = 'seller_profile.php';</script>";
            exit();
        } else {
            echo "Error updating profile: " . $conn->error;
        }
    }
}
?>