(PHP 3>= 3.0.10, PHP 4 , PHP 5)
The cpdf_finalize_page() function ends the page with page number page_number. 如果成功则返回 TRUE，失败则返回 FALSE。
This function is only for saving memory. A finalized page takes less memory but cannot be modified anymore.
See also cpdf_page_init().
cpdf_fill
