PDF_begin_layer
(PECL pdflib:2.0-2.1.3)
PDF_begin_layer β Start layer
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bool PDF_begin_layer
( resource $pdfdoc
, int $layer
)
Starts a layer for subsequent output on the page. ε¦ζζεεεε³ TRUEοΌε€±ζεεε³ FALSEγ
This function requires PDF 1.5.