What are some best practices for connecting PHP to a MySQL database?

One best practice for connecting PHP to a MySQL database is to use PDO (PHP Data Objects) for database access, as it provides a secure, efficient, and consistent way to connect to various database systems, including MySQL. Additionally, it is recommended to use prepared statements to prevent SQL injection attacks and ensure data integrity. 

// Connect to MySQL database using PDO
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "database";

try {
    $conn = new PDO("mysql:host=$servername;dbname=$dbname", $username, $password);
    $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    echo "Connected successfully";
} catch(PDOException $e) {
    echo "Connection failed: " . $e->getMessage();
}

Keywords

MySQL PHP database connection PDO mysqli

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