How do i add this php code to headers

[Powerless]

How do add this Php code to headers in other to read from a file, thanx in advance

<?php
$fp = fopen ("/home/theplacement/public_html/forum/storepl.cpl", "r");
$bytes = 900000;
$buffer = fread($fp, $bytes);
fclose ($fp);
print $buffer;

?>