/**
* @param null|int $index
* @param null|mixed $value
* @param null|array $properties
*
* @throws \PHPExcel_Exception
*/
public function start($index = null, $value = null, array $properties = null)
{
if ($this->sheetWrapper->getObject() === null) {
throw new \LogicException();
}
if ($index !== null && !is_int($index)) {
throw new \InvalidArgumentException();
}
if ($index === null) {
$this->sheetWrapper->increaseColumn();
} else {
$this->sheetWrapper->setColumn($index);
}
$this->object = $this->sheetWrapper->getObject()->getCellByColumnAndRow($this->sheetWrapper->getColumn(), $this->sheetWrapper->getRow());
if ($value !== null) {
$this->object->setValue($value);
}
if ($properties !== null) {
$this->setProperties($properties, $this->mappings);
}
$this->attributes['value'] = $value;
$this->attributes['properties'] = $properties ?: [];
}
public function end()
{
$this->sheetWrapper->setColumn(null);
}