How to attach PDF to email using PHP mail function

Question

I am sending an email using PHP mail function, but I would like to add a specified PDF file as a file attachment to the email. How would I do that?

Here is my curren

Answer 1

To eliminate deprecation errors,

Replace

$body             = eregi_replace("[\]",'',$body);

With

$body             = preg_replace('/\.([^\.]*$)/i','',$body);