PDF_set_layer_dependency

(PECL pdflib >= 2.0.0)

PDF_set_layer_dependency — Define relationships among layers

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

Defines hierarchical and group relationships among layers. 성공할 경우 TRUE를, 실패할 경우 FALSE를 반환합니다.

This function requires PDF 1.5.