Can you help me understand why the $type shows an error - Error: Type must be a valid integer preocess_form.php
Can you help me understand why the $type shows an error - Error: Type must be a valid integer preocess_form.php
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
Can you help me understand why the $type shows an error - Error: Type must be a valid integer
preocess_form.php
<?php
$db_host = "localhost";
$db_username = "root";
$db_pass = "";
$db_name = "sc_test";
$con = mysqli_connect($db_host, $db_username, $db_pass) or die("Could not connect to MySQL");
mysqli_select_db($con, $db_name) or die("Could not select database");
if ($_SERVER["REQUEST_METHOD"] == "POST") {
// Retrieve form data
$sku = $_POST['sku'] ?? '';
$name = $_POST['name'] ?? '';
$price = $_POST['price'] ?? '';
$type = $_POST['type'] ?? '';
$attribute = $_POST['attribute'] ?? '';
// Validate the type value
if (!is_numeric($type)) {
die("Error: Type must be a valid integer");
}
$type = intval($type);
// Perform the database query to insert the data
$query = "INSERT INTO products (sku, name, price, type, attribute) VALUES ('$sku', '$name', '$price', '$type', '$attribute')";
mysqli_query($con, $query) or die("Query failed: " . mysqli_error($con));
// Redirect to the product list page
header("Location: index.php");
exit();
}
?>
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