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use QRMatrix::getSize() instead

this class will be made abstract in future versions, calling it directly is deprecated - use one of the child classes instead

backward compatibility, use QRGdImage instead

this class will be removed in future versions, use one of QRStringText or QRStringJSON instead

use QRCode::getQRMatrix() instead

use Number::validateString() instead

use AlphaNum::validateString() instead

use Kanji::validateString() instead

use Byte::validateString() instead

use Version::AUTO instead

use MaskPattern::AUTO instead

use EccLevel::L instead

use EccLevel::M instead

use EccLevel::Q instead

use EccLevel::H instead

use QROutputInterface::MARKUP_HTML instead

use QROutputInterface::MARKUP_SVG instead

use QROutputInterface::GDIMAGE_PNG instead

use QROutputInterface::GDIMAGE_JPG instead

use QROutputInterface::GDIMAGE_GIF instead

use QROutputInterface::STRING_JSON instead

use QROutputInterface::STRING_TEXT instead

use QROutputInterface::IMAGICK instead

use QROutputInterface::FPDF instead

use QROutputInterface::EPS instead

use QROutputInterface::CUSTOM instead

use QROutputInterface::MODES instead

use QROptions::$outputBase64 instead

use QROptions::$outputBase64 instead

use QROptions::$quality instead

use QROptions::$quality instead

use QROptions::$quality instead

use QROptions::$quality instead

use QROptions::$transparencyColor instead

use QROptions::$transparencyColor instead

use QROptions::$bgColor instead

use QROptions::$bgColor instead

see issue #223

the nullable type will be removed in future versions and the default value will be set to QRMarkupSVG::class

use QROptions::$outputBase64 instead

use QROptions::$quality instead

use QROptions::$quality instead

use QROptions::$transparencyColor instead

use QROptions::$bgColor instead