What are the benefits of using a Mailer class in PHP for sending emails instead of the mail() function?

Using a Mailer class in PHP for sending emails instead of the mail() function provides several benefits such as better organization of email sending code, easier maintenance and testing, support for advanced email features like attachments and HTML content, and better error handling. 

// Mailer class for sending emails
class Mailer {
    public function sendEmail($to, $subject, $message) {
        // Code for sending email using a library like PHPMailer or Swift Mailer
    }
}

// Example of sending an email using the Mailer class
$mailer = new Mailer();
$mailer->sendEmail('recipient@example.com', 'Test Email', 'This is a test email.');

Keywords

Mailer class PHP sending emails mail() function benefits

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