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(PHP 4 >= 4.3.0, PHP 5, PHP 7)
fdf_get_ap — Get the appearance of a field
$fdf_document
, string $field
, int $face
, string $filename
)
Gets the appearance of a field
(i.e. the value of
the /AP key) and stores it in a file.
fdf_document
The FDF document handle, returned by fdf_create() , fdf_open() or fdf_open_string() .
field
face
The possible values are FDFNormalAP
,
FDFRolloverAP
and FDFDownAP
.
filename
The appearance will be stored in this parameter.
成功时返回 TRUE
, 或者在失败时返回 FALSE
。