(PHP 4 >= 4.3.0, PHP 5 < 5.3.0, PECL fdf SVN)
fdf_get_ap — Get the appearance of a field
Gets the appearance of a field (i.e. the value of the /AP key) and stores it in a file.
fdf_documentfieldfaceFDFNormalAP, FDFRolloverAP and FDFDownAP.filename