Are there any specific PHP functions or methods that can be used to insert multiple entries into a database from a form submission?

To insert multiple entries into a database from a form submission, you can use a loop to iterate over the submitted data and insert each entry individually into the database. You can use prepared statements to prevent SQL injection attacks and ensure data integrity.

// Assuming $formData is an array containing the submitted data
foreach ($formData as $data) {
    $stmt = $pdo->prepare("INSERT INTO table_name (column1, column2) VALUES (:value1, :value2)");
    $stmt->bindParam(':value1', $data['value1']);
    $stmt->bindParam(':value2', $data['value2']);
    $stmt->execute();
}