PDF_SETGRAY_FILL(3) 1 PDF_SETGRAY_FILL(3) PDF_setgray_fill - Set fill color to gray [deprecated]SYNOPSISbool PDF_setgray_fill (resource $p, float $g)DESCRIPTIONSets 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(3) instead. PHP Documentation Group PDF_SETGRAY_FILL(3)