fdf_set_target_frame

(PHP 4 >= 4.3.0, PHP 5, PHP 7)

fdf_set_target_frame — Set target frame for form display

bool fdf_set_target_frame ( resource $fdf_document , string $frame_name )

Sets the target frame to display a result PDF defined with fdf_save_file() in.

fdf_document: The FDF document handle, returned by fdf_create(), fdf_open() or fdf_open_string().
frame_name: The frame name, as a string.

成功时返回 TRUE，或者在失败时返回 FALSE。