Description: The registerUser() function is used to register a new user in a web application. The user's details such as username, password, email, etc. are collected from a form and sent to the server. The function checks if the user already exists in the database and if not, creates a new user account.
Package library: The PHP language offers several libraries for user authentication and management, such as PHP User Authentication and UserFrosting. However, the registerUser() function may be part of a custom library built for a specific application.
Code example using PHP:
// Connect to database $pdo = new PDO("mysql:host=localhost;dbname=myapp", "username", "password");
// Collect user details from form $username = $_POST['username']; $password = $_POST['password']; $email = $_POST['email'];
// Check if user exists in database $stmt = $pdo->prepare("SELECT count(*) FROM users WHERE username = ?"); $stmt->execute([$username]); $count = $stmt->fetchColumn();
// If user does not exist, create new user account if ($count == 0) { $stmt = $pdo->prepare("INSERT INTO users (username, password, email) VALUES (?, ?, ?)"); $stmt->execute([$username, $password, $email]); echo "User registered successfully!"; } else { echo "Username already taken. Please choose another username."; }
In this example, the registerUser() function is implemented as a block of code that checks if the user exists in the database and creates a new user account if they do not. The code uses PDO for database connectivity and prepared statements for query execution. The user details are collected from an HTML form using $_POST method and stored in variables. After validation, the details are inserted into the database using prepared statements. The code outputs a success or error message based on the registration status.
PHP User::registerUser - 15 examples found. These are the top rated real world PHP examples of User::registerUser extracted from open source projects. You can rate examples to help us improve the quality of examples.