What steps can be taken to ensure smooth order processing and email delivery in PHP scripts for web hosting?

To ensure smooth order processing and email delivery in PHP scripts for web hosting, it is important to properly handle errors, validate user input, and use secure methods for sending emails. Additionally, implementing proper error handling and logging can help troubleshoot any issues that may arise during order processing. 

// Example PHP code snippet for sending an email with error handling
$email = 'recipient@example.com';
$subject = 'Order Confirmation';
$message = 'Thank you for your order!';

// Send email
if (mail($email, $subject, $message)) {
    echo 'Email sent successfully';
} else {
    echo 'Email delivery failed';
}

Keywords

SMTP PHPMailer Cron job error handling database optimization

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