Code Duplication    Length = 9-9 lines in 2 locations

src/CL/Matrix/Matrix.php 2 locations

@@ 33-41 (lines=9) @@
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    /**
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     * @param Row $row
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     */
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    public function addRow(Row $row)
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    {
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        array_push($this->rows, $row);
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        $keys = array_keys($this->rows);
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        $offset = end($keys);
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        $row->setMatrix($this, $offset);
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    }
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    /**
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     * @param int $offset
@@ 90-98 (lines=9) @@
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    /**
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     * @param Column $column
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     */
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    public function addColumn(Column $column)
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    {
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        array_push($this->columns, $column);
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        $keys = array_keys($this->columns);
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        $offset = end($keys);
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        $column->setMatrix($this, $offset);
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    }
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    /**
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     * @param int    $offset