Code Duplication    Length = 6-6 lines in 2 locations

src/LZX/Tree.php 2 locations

@@ 174-179 (lines=6) @@
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        for ($pos = $first; $pos < $last;) {
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            $symbol = $preTree->readHuffmanSymbol($reader);
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            switch ($symbol) {
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                case 0x11:
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                    $pos2 = $pos + $reader->readLE(4) + 4;
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                    while ($pos < $pos2) {
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                        $this->lens[$pos++] = 0;
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                    }
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                    break;
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                case 0x12:
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                    $pos2 = $pos + $reader->readLE(5) + 20;
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                    while ($pos < $pos2) {
@@ 180-185 (lines=6) @@
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                        $this->lens[$pos++] = 0;
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                    }
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                    break;
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                case 0x12:
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                    $pos2 = $pos + $reader->readLE(5) + 20;
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                    while ($pos < $pos2) {
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                        $this->lens[$pos++] = 0;
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                    }
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                    break;
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                case 0x13:
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                    $pos2 = $pos + $reader->readLE(1) + 4;
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                    $symbol = $this->lens[$pos] - $preTree->readHuffmanSymbol($reader);