The findUserById function using PHP retrieves a specific user from a database based on their user ID. It is commonly used in web applications that require user authentication, such as social media platforms, e-commerce websites, and mobile applications.
Code Examples:
Example 1:
$user = findUserById(1);
echo $user['username']; // prints the username of the user with ID 1
Example 2:
function findUserById($id) {
// connect to database
$pdo = new PDO("mysql:host=localhost;dbname=mydatabase", "username", "password");
// prepare SQL statement
$stmt = $pdo->prepare("SELECT * FROM users WHERE id = ?");
// execute SQL statement with parameters
$stmt->execute([$id]);
// fetch the user data as an array
$user = $stmt->fetch(PDO::FETCH_ASSOC);
// return the user data
return $user;
}
Package Library:
The package library for this function depends on the specific PHP framework or database management system being used. Some common libraries include Laravel Eloquent, Symfony Doctrine, and CodeIgniter Active Record. However, the findUserById function can also be implemented without any external packages or libraries by directly accessing the database using PHP's built-in PDO class.
PHP User::findUserByID - 2 examples found. These are the top rated real world PHP examples of User::findUserByID extracted from open source projects. You can rate examples to help us improve the quality of examples.