# Documentation » Deprecated elements

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## Deprecated

### Table of Contents

src/Output/QRImage.php
src/QRCode.php

### QRImage.php

Line | Element | Reason
--- | --- | ---
17 | QRImage | backward compatibility, use QRGdImage instead

### QRCode.php

Line | Element | Reason
--- | --- | ---
300 | QRCode::isNumber() | use Number::validateString() instead
311 | QRCode::isAlphaNum() | use AlphaNum::validateString() instead
322 | QRCode::isKanji() | use Kanji::validateString() instead
333 | QRCode::isByte() | use Byte::validateString() instead
40 | QRCode::VERSION_AUTO | use Version::AUTO instead
47 | QRCode::MASK_PATTERN_AUTO | use MaskPattern::AUTO instead
54 | QRCode::ECC_L | use EccLevel::L instead
61 | QRCode::ECC_M | use EccLevel::M instead
68 | QRCode::ECC_Q | use EccLevel::Q instead
75 | QRCode::ECC_H | use EccLevel::H instead
82 | QRCode::OUTPUT_MARKUP_HTML | use QROutputInterface::MARKUP_HTML instead
89 | QRCode::OUTPUT_MARKUP_SVG | use QROutputInterface::MARKUP_SVG instead
96 | QRCode::OUTPUT_IMAGE_PNG | use QROutputInterface::GDIMAGE_PNG instead
103 | QRCode::OUTPUT_IMAGE_JPG | use QROutputInterface::GDIMAGE_JPG instead
110 | QRCode::OUTPUT_IMAGE_GIF | use QROutputInterface::GDIMAGE_GIF instead
117 | QRCode::OUTPUT_STRING_JSON | use QROutputInterface::STRING_JSON instead
124 | QRCode::OUTPUT_STRING_TEXT | use QROutputInterface::STRING_TEXT instead
131 | QRCode::OUTPUT_IMAGICK | use QROutputInterface::IMAGICK instead
138 | QRCode::OUTPUT_FPDF | use QROutputInterface::FPDF instead
145 | QRCode::OUTPUT_EPS | use QROutputInterface::EPS instead
152 | QRCode::OUTPUT_CUSTOM | use QROutputInterface::CUSTOM instead
159 | QRCode::OUTPUT_MODES | use QROutputInterface::MODES instead

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