pdf_set_parameter(3) php man page | unix.com

PDF_SET_PARAMETER(3)							 1						      PDF_SET_PARAMETER(3)

PDF_set_parameter - Set string parameter

SYNOPSIS
       bool PDF_set_parameter (resource  $p, string  $key, string  $value)

DESCRIPTION
	Sets some PDFlib parameter with string type. Returns TRUE on success or FALSE on failure.

PHP Documentation Group 												      PDF_SET_PARAMETER(3)