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<?php
namespace PhpOffice\PhpSpreadsheet\Worksheet;
class Column
{
/**
* \PhpOffice\PhpSpreadsheet\Worksheet\Worksheet.
*
* @var Worksheet
*/
private $worksheet;
/**
* Column index.
*
* @var string
*/
private $columnIndex;
/**
* Create a new column.
*
* @param string $columnIndex
*/
public function __construct(Worksheet $worksheet, $columnIndex = 'A')
{
// Set parent and column index
$this->worksheet = $worksheet;
$this->columnIndex = $columnIndex;
}
/**
* Destructor.
*/
public function __destruct()
{
// @phpstan-ignore-next-line
$this->worksheet = null;
}
/**
* Get column index as string eg: 'A'.
*/
public function getColumnIndex(): string
{
return $this->columnIndex;
}
/**
* Get cell iterator.
*
* @param int $startRow The row number at which to start iterating
* @param int $endRow Optionally, the row number at which to stop iterating
*
* @return ColumnCellIterator
*/
public function getCellIterator($startRow = 1, $endRow = null)
{
return new ColumnCellIterator($this->worksheet, $this->columnIndex, $startRow, $endRow);
}
/**
* Returns a boolean true if the column contains no cells. By default, this means that no cell records exist in the
* collection for this column. false will be returned otherwise.
* This rule can be modified by passing a $definitionOfEmptyFlags value:
* 1 - CellIterator::TREAT_NULL_VALUE_AS_EMPTY_CELL If the only cells in the collection are null value
* cells, then the column will be considered empty.
* 2 - CellIterator::TREAT_EMPTY_STRING_AS_EMPTY_CELL If the only cells in the collection are empty
* string value cells, then the column will be considered empty.
* 3 - CellIterator::TREAT_NULL_VALUE_AS_EMPTY_CELL | CellIterator::TREAT_EMPTY_STRING_AS_EMPTY_CELL
* If the only cells in the collection are null value or empty string value cells, then the column
* will be considered empty.
*
* @param int $definitionOfEmptyFlags
* Possible Flag Values are:
* CellIterator::TREAT_NULL_VALUE_AS_EMPTY_CELL
* CellIterator::TREAT_EMPTY_STRING_AS_EMPTY_CELL
*/
public function isEmpty(int $definitionOfEmptyFlags = 0): bool
{
$nullValueCellIsEmpty = (bool) ($definitionOfEmptyFlags & CellIterator::TREAT_NULL_VALUE_AS_EMPTY_CELL);
$emptyStringCellIsEmpty = (bool) ($definitionOfEmptyFlags & CellIterator::TREAT_EMPTY_STRING_AS_EMPTY_CELL);
$cellIterator = $this->getCellIterator();
$cellIterator->setIterateOnlyExistingCells(true);
foreach ($cellIterator as $cell) {
$value = $cell->getValue();
if ($value === null && $nullValueCellIsEmpty === true) {
continue;
}
if ($value === '' && $emptyStringCellIsEmpty === true) {
continue;
}
return false;
}
return true;
}
/**
* Returns bound worksheet.
*/
public function getWorksheet(): Worksheet
{
return $this->worksheet;
}
}
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