PDF_set_layer_dependency
(PECL pdflib >= 2.0.0)
PDF_set_layer_dependency — Define relationships among layers
Description
PDF_set_layer_dependency
( resource
$pdfdoc
, string $type
, string $optlist
) : bool
Defines hierarchical and group relationships among layers. Returns TRUE on success or FALSE on failure.
This function requires PDF 1.5.
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