(PHP 4 >= 4.3.0, PHP 5, PHP 7)
fdf_set_target_frame — Set target frame for form display
$fdf_document
, string $frame_name
) : boolSets the target frame to display a result PDF defined with fdf_save_file() in.
fdf_documentThe FDF document handle, returned by fdf_create(), fdf_open() or fdf_open_string().
frame_nameThe frame name, as a string.
成功时返回 TRUE， 或者在失败时返回 FALSE。