How to Create and Use BLOB URLs with PHP and MySQL
While BLOB URLs are primarily created and managed using JavaScript in the browser, PHP can play an important role in handling files on the server side. This tutorial will demonstrate how to use PHP to upload, store, and retrieve files, and then use JavaScript to generate and use BLOB URLs for these files in the browser. Step 1: Set Up a MySQL Database to Store Files Create a MySQL table to store the uploaded files. CREATE TABLE files ( id INT AUTO_INCREMENT PRIMARY KEY, file_name VARCHAR(255) NOT NULL, file_data BLOB NOT NULL ); Step 2: Build a File Upload System in PHP Create a PHP script to handle file uploads and store them in the database. upload.php <?php // Database connection $host = 'localhost'; $dbname = 'your_database'; $username = 'root'; $password = ''; $conn = new mysqli($host, $username, $password, $dbname); if ($conn->connect_error) { die("Connection failed: " . $conn->connect_error); } // File upload log...