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<?php |
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|
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namespace PhpOffice\PhpSpreadsheet\Worksheet; |
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|
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use PhpOffice\PhpSpreadsheet\Spreadsheet; |
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|
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class Iterator implements \Iterator |
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{ |
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/** |
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* Spreadsheet to iterate. |
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* |
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* @var Spreadsheet |
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*/ |
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private $subject; |
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|
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/** |
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* Current iterator position. |
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* |
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* @var int |
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*/ |
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private $position = 0; |
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|
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/** |
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* Create a new worksheet iterator. |
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* |
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* @param Spreadsheet $subject |
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*/ |
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public function __construct(Spreadsheet $subject) |
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{ |
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// Set subject |
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$this->subject = $subject; |
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} |
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|
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/** |
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* Destructor. |
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*/ |
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public function __destruct() |
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{ |
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unset($this->subject); |
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} |
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|
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/** |
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* Rewind iterator. |
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*/ |
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public function rewind() |
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{ |
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$this->position = 0; |
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} |
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|
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/** |
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* Current Worksheet. |
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* |
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* @return Worksheet |
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*/ |
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public function current() |
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{ |
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return $this->subject->getSheet($this->position); |
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} |
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|
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/** |
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* Current key. |
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* |
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* @return int |
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*/ |
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public function key() |
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{ |
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return $this->position; |
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} |
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|
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/** |
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* Next value. |
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*/ |
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public function next() |
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{ |
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++$this->position; |
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} |
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|
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/** |
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* Are there more Worksheet instances available? |
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* |
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* @return bool |
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*/ |
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public function valid() |
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{ |
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return $this->position < $this->subject->getSheetCount() && $this->position >= 0; |
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} |
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} |
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|