Code Duplication    Length = 12-12 lines in 3 locations

src/RSSFeed/simplepie/simplepie_1.3.1.mini.php 3 locations

@@ 1319-1330 (lines=12) @@
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        }
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    }
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    public function get_link($key = 0, $rel = 'alternate')
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    {
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        $links = $this->get_links($rel);
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        if (isset($links[$key]))
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        {
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            return $links[$key];
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        }
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        else
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        {
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            return null;
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        }
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    }
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    public function get_permalink()
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    {
@@ 6732-6743 (lines=12) @@
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        }
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    }
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    public function get_link($key = 0, $rel = 'alternate')
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    {
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        $links = $this->get_links($rel);
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        if ($links[$key] !== null)
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        {
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            return $links[$key];
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        }
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        else
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        {
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            return null;
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        }
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    }
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    public function get_links($rel = 'alternate')
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    {
@@ 12920-12931 (lines=12) @@
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            return null;
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        }
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    }
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    public function get_link($key = 0, $rel = 'alternate')
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    {
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        $links = $this->get_links($rel);
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        if (isset($links[$key]))
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        {
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            return $links[$key];
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        }
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        else
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        {
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            return null;
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        }
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    }
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    public function get_permalink()
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    {