Using Object-Oriented PHP with a database class is an excellent choice for modularity, reusability, and clean code. Below is a detailed explanation and a full implementation covering CRUD (Create, Read, Update, Delete) operations, along with WHERE , ORDER BY , and other conditions. Step 1: Create a Database Class Here’s a simple and reusable Database class: <?php class Database { private $conn; public function __construct($host, $user, $pass, $dbname) { $this->conn = new mysqli($host, $user, $pass, $dbname); // Check for connection errors if ($this->conn->connect_error) { die("Connection failed: " . $this->conn->connect_error); } } // INSERT Method public function insert($table, $data) { $columns = implode(", ", array_keys($data)); $values = implode("', '", array_map([$this->conn, 'real_escape_string'], array_values($data))); ...
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Xampp MySQL not starting
If changing port number doesn't solve your problem, follow steps and this solves problem: (** By these steps don't need to reinstall Xampp or loss your database**) Stop all Xampp services and exit application. Move to c:\xampp\mysql Rename data folder to data_old create new data folder and copy whole content of backup folder to the data folder except "ibdata1" 5) Select all files in data_old folder and paste into data folder ( Note Don't replace copied files and skip replace theme).
How can I solve "Error: MySQL shutdown unexpectedly"?
Rename folder mysql/data to mysql/data_old Make a copy of mysql/backup folder and name it as mysql/data Copy all your database folders from mysql/data_old into mysql/data (except mysql , performance_schema , and phpmyadmin folders) Copy mysql/data_old/ibdata1 file into mysql/data folder Start MySQL from XAMPP control panel