PHP Headers for Sending CSV File Downloads
If you would like to force a file download prompt to the user, instead of just outputting the text to the browser, use the following headers.
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Written by Sean Behan on 11/25/2017
Using the PHP Mail Function with Additional Headers
Pass a fourth parameter to the mail() function with the header information.
<?php
$to = "jane@example.com";
$subject = "Hello World!";
$body = "This will be sent from email-addr@example.com";
$headers = "From: email-addr@example.com\r\nX-Mailer: php";...
Written by Sean Behan on 06/17/2012