PDF 函数
PHP Manual

PDF_setgray

(PHP 4, PECL pdflib >= 1.0.0)

PDF_setgraySet color to gray [deprecated]

说明

bool PDF_setgray ( resource $p , float $g )

Sets the current fill and stroke color to a gray value between 0 and 1 inclusive. 成功时返回 TRUE, 或者在失败时返回 FALSE

This function is deprecated since PDFlib version 4, use PDF_setcolor() instead.


PDF 函数
PHP Manual