« PDF_get_fontsize PDF_get_image_width » PHP Manual PDF 函数 Get image height [deprecated] PDF_get_image_height (PHP 4, PECL pdflib >= 1.0.0) PDF_get_image_height — Get image height [deprecated] 说明 This function is deprecated since PDFlib version 3, use PDF_get_value() with the parameter imageheight instead.