How can PHP beginners effectively use prepared statements for database writing?

When writing data to a database in PHP, beginners should use prepared statements to prevent SQL injection attacks and ensure data integrity. Prepared statements separate SQL logic from user input, making it safer and more efficient to execute queries. 

// Establish a database connection
$pdo = new PDO("mysql:host=localhost;dbname=mydatabase", "username", "password");

// Prepare a SQL statement with placeholders
$stmt = $pdo->prepare("INSERT INTO users (username, email) VALUES (:username, :email)");

// Bind parameters to the placeholders
$stmt->bindParam(':username', $username);
$stmt->bindParam(':email', $email);

// Set the values of the parameters
$username = "john_doe";
$email = "john.doe@example.com";

// Execute the prepared statement
$stmt->execute();

Keywords

PHP prepared statements database writing security SQL injection

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