PECL ps >= 1.1.0
ps_close - Closes a PostScript document
ps_close( resource$psdoc ): bool
Closes the PostScript document.
This function writes the trailer of the PostScript document. It also writes the bookmark tree. ps_close does not free any resources, which is done by ps_delete.
This function is also called by ps_delete if it has not been called before.
Resource identifier of the postscript file as returned by ps_new.
Returns true on success or false on failure.