pdf_get_value(3) php man page | unix.com

PDF_GET_VALUE(3)							 1							  PDF_GET_VALUE(3)

PDF_get_value - Get numerical parameter

SYNOPSIS
       float PDF_get_value (resource  $p, string  $key, float  $modifier)

DESCRIPTION
	Gets the value of some PDFlib parameter with numerical type.

PHP Documentation Group 													  PDF_GET_VALUE(3)