« PDF_set_info_creator PDF_set_info_subject » PHP Manual PDF 函数 Fill the keywords document info field [deprecated] PDF_set_info_keywords (PHP 4, PECL pdflib >= 1.0.0) PDF_set_info_keywords — Fill the keywords document info field [deprecated] 说明 This function is deprecated since PDFlib version 3, use PDF_set_info() instead.