Code Duplication    Length = 9-9 lines in 2 locations

lib/FPDF/src/fpdf.php 2 locations

@@ 1358-1366 (lines=9) @@
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		{
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			// Gray image
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			$len = 2*$w;
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			for($i=0;$i<$h;$i++)
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			{
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				$pos = (1+$len)*$i;
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				$color .= $data[$pos];
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				$alpha .= $data[$pos];
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				$line = substr($data,$pos+1,$len);
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				$color .= preg_replace('/(.)./s','$1',$line);
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				$alpha .= preg_replace('/.(.)/s','$1',$line);
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			}
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		}
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		else
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		{
@@ 1372-1380 (lines=9) @@
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		{
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			// RGB image
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			$len = 4*$w;
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			for($i=0;$i<$h;$i++)
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			{
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				$pos = (1+$len)*$i;
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				$color .= $data[$pos];
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				$alpha .= $data[$pos];
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				$line = substr($data,$pos+1,$len);
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				$color .= preg_replace('/(.{3})./s','$1',$line);
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				$alpha .= preg_replace('/.{3}(.)/s','$1',$line);
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			}
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		}
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		unset($data);
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		$data = gzcompress($color);