PDF_add_thumbnail

(PHP 4 >= 4.0.5, PECL pdflib >= 1.0.0)

PDF_add_thumbnail — Add thumbnail for current page

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PDF_add_thumbnail ( resource $pdfdoc , int $image ) : bool

Adds an existing image as thumbnail for the current page. �ɹ�ʱ���� TRUE�� ������ʧ��ʱ���� FALSE��