Phpqrcode generate two-dimensional code parameter list

QRCode::p ng (
$text,—— text converted to two-dimensional code, required
$outfile =false,—— generate a local filename. Default not saved to local, direct output
$level =qr_eclevel_l,—— Quality. The default is the lowest quality, as well as Qr_eclevel_m, qr_eclevel_q, qr_eclevel_h parameter values
$size =3,—— Size
$margin =4,—— outer margin
$saveandprint whether the =false,—— saved. If you select True, the $outfile item must pass a value
$backcolor =0xffffff,—— background color. The default is pure white
$forecolor =0x000000--foreground color. The default is solid black
);