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<?php |
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namespace PhpOffice\PhpSpreadsheet\Reader\Xls; |
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use PhpOffice\PhpSpreadsheet\Cell\Coordinate; |
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use PhpOffice\PhpSpreadsheet\Reader\Xls; |
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use PhpOffice\PhpSpreadsheet\Shared\File; |
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class ListFunctions extends Xls |
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{ |
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/** |
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* Reads names of the worksheets from a file, without parsing the whole file to a PhpSpreadsheet object. |
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*/ |
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protected function listWorksheetNames2(string $filename, Xls $xls): array |
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{ |
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File::assertFile($filename); |
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$worksheetNames = []; |
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// Read the OLE file |
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$xls->loadOLE($filename); |
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// total byte size of Excel data (workbook global substream + sheet substreams) |
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$xls->dataSize = strlen($xls->data); |
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$xls->pos = 0; |
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$xls->sheets = []; |
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// Parse Workbook Global Substream |
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while ($xls->pos < $xls->dataSize) { |
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$code = self::getUInt2d($xls->data, $xls->pos); |
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match ($code) { |
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self::XLS_TYPE_BOF => $xls->readBof(), |
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self::XLS_TYPE_SHEET => $xls->readSheet(), |
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self::XLS_TYPE_EOF => $xls->readDefault(), |
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self::XLS_TYPE_CODEPAGE => $xls->readCodepage(), |
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default => $xls->readDefault(), |
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}; |
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if ($code === self::XLS_TYPE_EOF) { |
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break; |
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} |
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} |
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foreach ($xls->sheets as $sheet) { |
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if ($sheet['sheetType'] != 0x00) { |
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// 0x00: Worksheet, 0x02: Chart, 0x06: Visual Basic module |
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continue; |
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} |
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$worksheetNames[] = $sheet['name']; |
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} |
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return $worksheetNames; |
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} |
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/** |
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* Return worksheet info (Name, Last Column Letter, Last Column Index, Total Rows, Total Columns). |
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*/ |
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protected function listWorksheetInfo2(string $filename, Xls $xls): array |
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{ |
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File::assertFile($filename); |
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$worksheetInfo = []; |
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// Read the OLE file |
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$xls->loadOLE($filename); |
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// total byte size of Excel data (workbook global substream + sheet substreams) |
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$xls->dataSize = strlen($xls->data); |
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// initialize |
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$xls->pos = 0; |
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$xls->sheets = []; |
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// Parse Workbook Global Substream |
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while ($xls->pos < $xls->dataSize) { |
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$code = self::getUInt2d($xls->data, $xls->pos); |
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match ($code) { |
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self::XLS_TYPE_BOF => $xls->readBof(), |
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self::XLS_TYPE_SHEET => $xls->readSheet(), |
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self::XLS_TYPE_EOF => $xls->readDefault(), |
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self::XLS_TYPE_CODEPAGE => $xls->readCodepage(), |
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default => $xls->readDefault(), |
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}; |
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if ($code === self::XLS_TYPE_EOF) { |
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break; |
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} |
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} |
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// Parse the individual sheets |
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foreach ($xls->sheets as $sheet) { |
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if ($sheet['sheetType'] != 0x00) { |
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// 0x00: Worksheet |
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// 0x02: Chart |
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// 0x06: Visual Basic module |
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continue; |
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} |
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$tmpInfo = []; |
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$tmpInfo['worksheetName'] = $sheet['name']; |
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$tmpInfo['lastColumnLetter'] = 'A'; |
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$tmpInfo['lastColumnIndex'] = 0; |
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$tmpInfo['totalRows'] = 0; |
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$tmpInfo['totalColumns'] = 0; |
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$xls->pos = $sheet['offset']; |
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while ($xls->pos <= $xls->dataSize - 4) { |
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$code = self::getUInt2d($xls->data, $xls->pos); |
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switch ($code) { |
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case self::XLS_TYPE_RK: |
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case self::XLS_TYPE_LABELSST: |
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case self::XLS_TYPE_NUMBER: |
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case self::XLS_TYPE_FORMULA: |
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case self::XLS_TYPE_BOOLERR: |
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case self::XLS_TYPE_LABEL: |
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$length = self::getUInt2d($xls->data, $xls->pos + 2); |
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$recordData = $xls->readRecordData($xls->data, $xls->pos + 4, $length); |
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// move stream pointer to next record |
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$xls->pos += 4 + $length; |
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$rowIndex = self::getUInt2d($recordData, 0) + 1; |
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$columnIndex = self::getUInt2d($recordData, 2); |
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$tmpInfo['totalRows'] = max($tmpInfo['totalRows'], $rowIndex); |
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$tmpInfo['lastColumnIndex'] = max($tmpInfo['lastColumnIndex'], $columnIndex); |
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break; |
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case self::XLS_TYPE_BOF: |
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$xls->readBof(); |
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break; |
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case self::XLS_TYPE_EOF: |
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$xls->readDefault(); |
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break 2; |
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default: |
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$xls->readDefault(); |
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break; |
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} |
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} |
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$tmpInfo['lastColumnLetter'] = Coordinate::stringFromColumnIndex($tmpInfo['lastColumnIndex'] + 1); |
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$tmpInfo['totalColumns'] = $tmpInfo['lastColumnIndex'] + 1; |
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$worksheetInfo[] = $tmpInfo; |
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} |
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return $worksheetInfo; |
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} |
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} |
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PHPOffice /
PhpSpreadsheet
