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- PDF 函数
PDF_define_layer
(PECL pdflib >= 2.0.0)
PDF_define_layer — Create layer definition
说明
PDF_define_layer ( resource$pdfdoc
, string $name
, string $optlist
) : int
Creates a new layer definition.
This function requires PDF 1.5.
User Contributed Notes
There are no user contributed notes for this page.官方地址：https://www.php.net/manual/en/function.pdf-define-layer.php