pdf_set_layer_dependency(3) php man page | unix.com

PDF_SET_LAYER_DEPENDENCY(3)						 1					       PDF_SET_LAYER_DEPENDENCY(3)

PDF_set_layer_dependency - Define relationships among layers

SYNOPSIS
       bool PDF_set_layer_dependency (resource	$pdfdoc, string  $type, string	$optlist)

DESCRIPTION
	Defines hierarchical and group relationships among layers. Returns TRUE on success or FALSE on failure.

	This function requires PDF 1.5.

PHP Documentation Group 											       PDF_SET_LAYER_DEPENDENCY(3)