$colNumber = PHPExcel_Cell::columnIndexFromString($colString);
returns 1 from a $colString of 'A', 26 from 'Z', 27 from 'AA', etc.
and the (almost) reverse
$colString = PHPExcel_Cell::stringFromColumnIndex($colNumber);
returns 'A' from a $colNumber of 0, 'Z' from 25, 'AA' from 26, etc.
EDIT
A couple of useful tricks:
There is a toArray() method for the worksheet class:
$this->datasets = $this->objPHPExcel->setActiveSheetIndex(0)->toArray();
which accepts the following parameters:
* @param mixed $nullValue Value returned in the array entry if a cell doesn't exist
* @param boolean $calculateFormulas Should formulas be calculated?
* @param boolean $formatData Should formatting be applied to cell values?
* @param boolean $returnCellRef False - Return a simple array of rows and columns indexed by number counting from zero
* True - Return rows and columns indexed by their actual row and column IDs
although it does use the iterators, so would be slightly slower
OR
Take advantage of PHP's ability to increment character strings Perl Style
$highestColumm = $this->objPHPExcel->setActiveSheetIndex(0)->getHighestColumn(); // e.g. "EL"
$highestRow = $this->objPHPExcel->setActiveSheetIndex(0)->getHighestRow();
$highestColumm++;
for ($row = 1; $row < $highestRow + 1; $row++) {
$dataset = array();
for ($column = 'A'; $column != $highestColumm; $column++) {
$dataset[] = $this->objPHPExcel->setActiveSheetIndex(0)->getCell($column . $row)->getValue();
}
$this->datasets[] = $dataset;
}
and if you're processing a large number of rows, you might actually notice the performance improvement of ++$row over $row++
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…