$to = "email@example.com"; $subject = "Subject line here"; $message = "Message content here"; mail($to, $subject, $message);
$to = "email@example.com"; $subject = "Subject line for " . date("Y-m-d"); $message = "Message content here"; mail($to, $subject, $message);This example demonstrates how to create a dynamic email subject based on the current date. This can be useful for automating email messages or creating personalized emails. Package Library: PHPMailer PHPMailer is a popular package library for sending email messages in PHP. It has built-in support for setting the email subject, making it easy to use in PHP applications. Some of the features of PHPMailer include support for SMTP authentication, message attachments, and HTML email messages.