Code Duplication    Length = 9-9 lines in 2 locations

src/BufferUnpacker.php 2 locations

@@ 369-377 (lines=9) @@
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        return $str;
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    }
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    private function unpackArray($size)
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    {
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        $array = [];
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        for ($i = $size; $i; --$i) {
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            $array[] = $this->unpack();
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        }
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        return $array;
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    }
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    private function unpackMap($size)
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    {
@@ 379-387 (lines=9) @@
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        return $array;
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    }
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    private function unpackMap($size)
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    {
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        $map = [];
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        for ($i = $size; $i; --$i) {
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            $map[$this->unpack()] = $this->unpack();
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        }
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        return $map;
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    }
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    private function unpackExt($length)
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    {