How can online resources and tutorials help beginners improve their PHP skills and overcome challenges in data storage and manipulation?

Beginners can improve their PHP skills and overcome challenges in data storage and manipulation by utilizing online resources and tutorials. These resources can provide step-by-step guidance on how to effectively store and manipulate data using PHP, as well as offer best practices and tips for optimizing code.

// Example code snippet for connecting to a MySQL database using PHP
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "database_name";

// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);

// Check connection
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}
echo "Connected successfully";