/**
* Create a URI that will generate a QR code with the supplied values.
*
* @param string $data The data to encode.
* @param integer|null $size The size of the QR code. The units are implementation dependant.
* @param ErrorCorrectionLevel|null $errorCorrection The level of error correction to use.
*
* @return string The QR code URI.
*/
public function createUri($data, $size = null, ErrorCorrectionLevel $errorCorrection = null)
{
if (null === $size) {
$size = 250;
}
if (null === $errorCorrection) {
$errorCorrection = ErrorCorrectionLevel::LOW();
}
if (ErrorCorrectionLevel::LOW() === $errorCorrection) {
$errorCorrectionString = '';
} else {
$errorCorrectionString = $errorCorrection->letterCode();
}
return sprintf('https://chart.googleapis.com/chart?cht=qr' . '&chs=%sx%s&chld=%s%%7C0&chl=%s', rawurlencode($size), rawurlencode($size), $errorCorrectionString, rawurlencode($data));
}
/**
* Create a URI that will generate a QR code with the supplied values.
*
* @param string $data The data to encode.
* @param integer|null $size The size of the QR code. The units are implementation dependant.
* @param ErrorCorrectionLevel|null $errorCorrection The level of error correction to use.
*
* @return string The QR code URI.
*/
public function createUri($data, $size = null, ErrorCorrectionLevel $errorCorrection = null)
{
if (null === $size) {
$size = 250;
}
if (null === $errorCorrection) {
$errorCorrection = ErrorCorrectionLevel::LOW();
}
$parameters = '';
if (250 !== $size) {
$parameters .= sprintf('&size=%sx%s', rawurlencode($size), rawurlencode($size));
}
if (ErrorCorrectionLevel::LOW() !== $errorCorrection) {
$parameters .= '&ecc=' . rawurlencode($errorCorrection->letterCode());
}
return sprintf('https://api.qrserver.com/v1/create-qr-code/?data=%s%s', rawurlencode($data), $parameters);
}
/**
* Create a URI that will generate a QR code with the supplied values.
*
* @param string $data The data to encode.
* @param integer|null $size The size of the QR code. The units are implementation dependant.
* @param ErrorCorrectionLevel|null $errorCorrection The level of error correction to use.
*
* @return string The QR code URI.
*/
public function createUri($data, $size = null, ErrorCorrectionLevel $errorCorrection = null)
{
if (null === $size) {
$size = 8;
}
if (null === $errorCorrection) {
$errorCorrection = ErrorCorrectionLevel::LOW();
}
$parameters = '';
if (8 !== $size) {
$parameters .= '&s=' . rawurlencode($size);
}
if (ErrorCorrectionLevel::MEDIUM() !== $errorCorrection) {
$parameters .= '&l=' . rawurlencode($errorCorrection->numberCode());
}
return sprintf('http://qrfree.kaywa.com/?d=%s%s', rawurlencode($data), $parameters);
}
