$qrcode->toDataUri()
Returns the QR code as a PNG data URI
$qrcode->toDataUri(?int $size = null, string $color = '#000000', string $back = '#ffffff'): stringParameters
| Name | Type | Default | Description |
|---|---|---|---|
| $size | int|null |
null |
Image width/height in pixels, defaults to a size per module of 4x4 |
| $color | string |
'#000000' |
Foreground color in hex format |
| $back | string |
'#ffffff' |
Background color in hex format |
Return type
string