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/*
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/*
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*  Module written/ported by Xavier Noguer <xnoguer@rezebra.com>
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*  Module written/ported by Xavier Noguer <xnoguer@rezebra.com>
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*
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*
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*  PERL Spreadsheet::WriteExcel module.
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*  PERL Spreadsheet::WriteExcel module.
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*
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*
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*  The author of the Spreadsheet::WriteExcel module is John McNamara
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*  The author of the Spreadsheet::WriteExcel module is John McNamara
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*  <jmcnamara@cpan.org>
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*  <jmcnamara@cpan.org>
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*
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*
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*  I _DO_ maintain this code, and John McNamara has nothing to do with the
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*  I _DO_ maintain this code, and John McNamara has nothing to do with the
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*  porting of this code to PHP.  Any questions directly related to this
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*  porting of this code to PHP.  Any questions directly related to this
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*  class library should be directed to me.
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*  class library should be directed to me.
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*    You should have received a copy of the GNU Lesser General Public
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*    You should have received a copy of the GNU Lesser General Public
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*    License along with this library; if not, write to the Free Software
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*    License along with this library; if not, write to the Free Software
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*    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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*    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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*/
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*/
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//require_once('PEAR.php');
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require_once 'PEAR.php';
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require_once('Writer/Workbook.php');
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require_once 'Spreadsheet/Excel/Writer/Workbook.php';
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/**
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/**
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* Class for writing Excel Spreadsheets. This class should change COMPLETELY.
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* Class for writing Excel Spreadsheets. This class should change COMPLETELY.
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    * @access public
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    * @access public
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    */
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    */
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    function send($filename)
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    function send($filename)
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    {
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    {
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        header("Content-type: application/vnd.ms-excel");
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        header("Content-type: application/vnd.ms-excel");
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        header("Content-Disposition: attachment; filename=$filename");
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        header("Content-Disposition: attachment; filename=\"$filename\"");
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        header("Expires: 0");
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        header("Expires: 0");
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        header("Cache-Control: must-revalidate, post-check=0,pre-check=0");
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        header("Cache-Control: must-revalidate, post-check=0,pre-check=0");
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        header("Pragma: public");
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        header("Pragma: public");
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    }
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    }
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    /**
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    * Utility function for writing formulas
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    * Converts a cell's coordinates to the A1 format.
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    *
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    * @access public
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    * @static
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    * @param integer $row Row for the cell to convert (0-indexed).
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    * @param integer $col Column for the cell to convert (0-indexed).
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    * @return string The cell identifier in A1 format
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    */
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    function rowcolToCell($row, $col)
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    {
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        if ($col > 255) { //maximum column value exceeded
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            return new PEAR_Error("Maximum column value exceeded: $col");
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        }
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        $int = (int)($col / 26);
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        $frac = $col % 26;
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        $chr1 = '';
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        if ($int > 0) {
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            $chr1 = chr(ord('A') + $int - 1);
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        }
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        $chr2 = chr(ord('A') + $frac);
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        $row++;
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        return $chr1 . $chr2 . $row;
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    }
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}
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}