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(PHP 4, PHP 5, PHP 7)
fdf_set_ap — Set the appearance of a field
$fdf_document
, string $field_name
, int $face
, string $filename
, int $page_number
)Sets the appearance of a field (i.e. the value of the /AP key).
fdf_document
The FDF document handle, returned by fdf_create() , fdf_open() or fdf_open_string() .
field_name
face
The possible values FDFNormalAP
,
FDFRolloverAP
and
FDFDownAP
.
filename
page_number
成功时返回 TRUE
, 或者在失败时返回 FALSE
。