fdf_get_ap

(PHP 4 >= 4.3.0, PHP 5 < 5.3.0, PECL fdf SVN)

fdf_get_ap — Get the appearance of a field

fdf_get_ap(
    resource $fdf_document,
    string $field,
    int $face,
    string $filename
): bool

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。

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