(PHP 4, PECL pdflib >= 1.0.0)
PDF_setgray_fill — Set fill color to gray [deprecated]
$p
, float $g
) : bool
Sets the current fill color to a gray value between 0 and 1 inclusive.
Returns TRUE on success or FALSE on failure.
This function is deprecated since PDFlib version 4, use PDF_setcolor() instead.