(PHP 4, PHP 5 < 5.3.0, PECL fdf SVN)
fdf_set_ap — Set the appearance of a field
$fdf_document,$field_name,$face,$filename,$page_number
Sets the appearance of a field (i.e. the value of the
/AP key).
fdf_documentThe 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