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(PECL ps >= 1.1.0)
ps_delete — Deletes all resources of a PostScript document
Mainly frees memory used by the document. Also closes a file, if it was not closed before with ps_close(). You should in any case close the file with ps_close() before, because ps_close() not just closes the file but also outputs a trailor containing PostScript comments like the number of pages in the document and adding the bookmark hierarchy.
Resource identifier of the postscript file as returned by ps_new().
TRUE on success or
FALSE on failure.