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Spreadsheet_Excel_Writer
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adding rowcolToCell() (JT Hughes) 

git-svn-id: https://svn.php.net/repository/pear/packages/Spreadsheet_Excel_Writer/trunk@141432 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Xavier Noguer Gallego 2003-10-01 13:05:52 +00:00
parent e461d9b467
commit 8c60af5d88
1 changed files with 29 additions and 0 deletions
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29
Writer.php
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@ -71,5 +71,34 @@ class Spreadsheet_Excel_Writer extends Spreadsheet_Excel_Writer_Workbook
header("Pragma: public");
}
/**
* Utility function for writing formulas
* Converts a cell's coordinates to the A1 format.
*
* @access public
* @static
* @param integer $row Row for the cell to convert (0-indexed).
* @param integer $col Column for the cell to convert (0-indexed).
* @return string The cell identifier in A1 format
*/
function rowcolToCell($row, $col)
{
if ($col > 255) { //maximum column value exceeded
return new PEAR_Error("Maximum column value exceeded: $col");
}
$int = (int)($col / 26);
$frac = $col % 26;
$chr1 = '';
if ($int > 0) {
$chr1 = chr(ord('A') + $int - 1);
}
$chr2 = chr(ord('A') + $frac);
$row++;
return $chr1.$chr2.$row;
}
}
?>