Is it advisable to include mail sending functionality within a form class in PHP, or should it be kept separate?

It is generally advisable to keep the mail sending functionality separate from the form class in PHP for better separation of concerns and maintainability. By separating the mail sending logic into a separate class or function, you can easily reuse it in other parts of your application and make changes to the mail sending process without affecting the form handling logic. 

class FormHandler {
    public function handleFormSubmission($formData) {
        // Process form data
        
        // Call separate function or class to send email
        $mailSender = new MailSender();
        $mailSender->sendEmail($formData);
    }
}

class MailSender {
    public function sendEmail($formData) {
        // Send email using mail() function or a library like PHPMailer
    }
}

Keywords

PHP form class mail sending separation of concerns best practices

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