pdf_open_image_file(3) php man page | unix.com

PDF_OPEN_IMAGE_FILE(3)							 1						    PDF_OPEN_IMAGE_FILE(3)

PDF_open_image_file - Read image from file [deprecated]

SYNOPSIS
       int PDF_open_image_file (resource  $p, string  $imagetype, string  $filename, string  $stringparam, int	$intparam)

DESCRIPTION
	Opens an image file.

	This  function	is  deprecated since PDFlib version 5, use PDF_load_image(3) with the colorize, ignoremask, invert, mask, masked, and page
       options instead.

PHP Documentation Group 												    PDF_OPEN_IMAGE_FILE(3)