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Direktori : /home2/selectio/public_html/3-idiots/vendor/box/spout/src/Spout/Reader/XLSX/ |
Current File : /home2/selectio/public_html/3-idiots/vendor/box/spout/src/Spout/Reader/XLSX/SheetIterator.php |
<?php namespace Box\Spout\Reader\XLSX; use Box\Spout\Reader\Exception\NoSheetsFoundException; use Box\Spout\Reader\IteratorInterface; use Box\Spout\Reader\XLSX\Manager\SheetManager; /** * Class SheetIterator * Iterate over XLSX sheet. */ class SheetIterator implements IteratorInterface { /** @var \Box\Spout\Reader\XLSX\Sheet[] The list of sheet present in the file */ protected $sheets; /** @var int The index of the sheet being read (zero-based) */ protected $currentSheetIndex; /** * @param SheetManager $sheetManager Manages sheets * @throws \Box\Spout\Reader\Exception\NoSheetsFoundException If there are no sheets in the file */ public function __construct($sheetManager) { // Fetch all available sheets $this->sheets = $sheetManager->getSheets(); if (\count($this->sheets) === 0) { throw new NoSheetsFoundException('The file must contain at least one sheet.'); } } /** * Rewind the Iterator to the first element * @see http://php.net/manual/en/iterator.rewind.php * * @return void */ public function rewind() { $this->currentSheetIndex = 0; } /** * Checks if current position is valid * @see http://php.net/manual/en/iterator.valid.php * * @return bool */ public function valid() { return ($this->currentSheetIndex < \count($this->sheets)); } /** * Move forward to next element * @see http://php.net/manual/en/iterator.next.php * * @return void */ public function next() { // Using isset here because it is way faster than array_key_exists... if (isset($this->sheets[$this->currentSheetIndex])) { $currentSheet = $this->sheets[$this->currentSheetIndex]; $currentSheet->getRowIterator()->end(); $this->currentSheetIndex++; } } /** * Return the current element * @see http://php.net/manual/en/iterator.current.php * * @return \Box\Spout\Reader\XLSX\Sheet */ public function current() { return $this->sheets[$this->currentSheetIndex]; } /** * Return the key of the current element * @see http://php.net/manual/en/iterator.key.php * * @return int */ public function key() { return $this->currentSheetIndex + 1; } /** * Cleans up what was created to iterate over the object. * * @return void */ public function end() { // make sure we are not leaking memory in case the iteration stopped before the end foreach ($this->sheets as $sheet) { $sheet->getRowIterator()->end(); } } }