(PHP 3>= 3.0.6, PHP 4)
pdf_set_info_subject - ÚÁÐÏÌÎÑÅÔ ÐÏÌÅ subject ÄÏËÕÍÅÎÔÁ.
bool pdf_set_info_subject (int pdfdoc, string subject)
üÔÁ ÆÕÎËÃÉÑ ÎÅ ÒÅËÏÍÅÎÄÕÅÔÓÑ, ÉÓÐÏÌØÚÕÊÔÅ pdf_set_info() .