Vendor/phpspreadsheet/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Reader/Xlsx.php
public function listWorksheetInfo($pFilename)
    {
        File::assertFile($pFilename);

        $worksheetInfo = [];

        $zip = new ZipArchive();
        $zip->open($pFilename);

        $rels = simplexml_load_string(
            //~ http://schemas.openxmlformats.org/package/2006/relationships"
            $this->securityScan($this->getFromZipArchive($zip, '_rels/.rels')),
            'SimpleXMLElement',
            Settings::getLibXmlLoaderOptions()
        );
        foreach ($rels->Relationship as $rel) {
            if ($rel['Type'] == 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument') {
                $dir = dirname($rel['Target']);
                $relsWorkbook = simplexml_load_string(
                    //~ http://schemas.openxmlformats.org/package/2006/relationships"
                    $this->securityScan(
                        $this->getFromZipArchive($zip, "$dir/_rels/" . basename($rel['Target']) . '.rels')
                    ),
                    'SimpleXMLElement',
                    Settings::getLibXmlLoaderOptions()
                );
                $relsWorkbook->registerXPathNamespace('rel', 'http://schemas.openxmlformats.org/package/2006/relationships');

                $worksheets = [];
                foreach ($relsWorkbook->Relationship as $ele) {
                    if ($ele['Type'] == 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet') {
                        $worksheets[(string) $ele['Id']] = $ele['Target'];
                    }
                }

                $xmlWorkbook = simplexml_load_string(
                    //~ http://schemas.openxmlformats.org/spreadsheetml/2006/main"
                    $this->securityScan(
                        $this->getFromZipArchive($zip, "{$rel['Target']}")
                    ),
                    'SimpleXMLElement',
                    Settings::getLibXmlLoaderOptions()
                );
                if ($xmlWorkbook->sheets) {
                    $dir = dirname($rel['Target']);
                    /** @var \SimpleXMLElement $eleSheet */
                    foreach ($xmlWorkbook->sheets->sheet as $eleSheet) {
                        $tmpInfo = [
                            'worksheetName' => (string) $eleSheet['name'],
                            'lastColumnLetter' => 'A',
                            'lastColumnIndex' => 0,
                            'totalRows' => 0,
                            'totalColumns' => 0,
                        ];

                        $fileWorksheet = $worksheets[(string) self::getArrayItem($eleSheet->attributes('http://schemas.openxmlformats.org/officeDocument/2006/relationships'), 'id')];

                        $xml = new XMLReader();
                        $xml->xml(
                            $this->securityScanFile(
                                'zip://' . File::realpath($pFilename) . '#' . "$dir/$fileWorksheet"
                            ),
                            null,
                            Settings::getLibXmlLoaderOptions()
                        );
                        $xml->setParserProperty(2, true);

                        $currCells = 0;
                        while ($xml->read()) {
                            if ($xml->name == 'row' && $xml->nodeType == XMLReader::ELEMENT) {
                                $row = $xml->getAttribute('r');
                                $tmpInfo['totalRows'] = $row;
                                $tmpInfo['totalColumns'] = max($tmpInfo['totalColumns'], $currCells);
                                $currCells = 0;
                            } elseif ($xml->name == 'c' && $xml->nodeType == XMLReader::ELEMENT) {
                                ++$currCells;
                            }
                        }
                        $tmpInfo['totalColumns'] = max($tmpInfo['totalColumns'], $currCells);
                        $xml->close();

                        $tmpInfo['lastColumnIndex'] = $tmpInfo['totalColumns'] - 1;
                        $tmpInfo['lastColumnLetter'] = Coordinate::stringFromColumnIndex($tmpInfo['lastColumnIndex'] + 1);

                        $worksheetInfo[] = $tmpInfo;
                    }
                }
            }
        }

        $zip->close();

        return $worksheetInfo;
    }
public function listWorksheetInfo($pFilename)
    {
        File::assertFile($pFilename);

        $worksheetInfo = [];

        $zip = new ZipArchive();
        $zip->open($pFilename);

        $rels = simplexml_load_string(
            //~ http://schemas.openxmlformats.org/package/2006/relationships"
            $this->securityScan($this->getFromZipArchive($zip, '_rels/.rels')),
            'SimpleXMLElement',
            Settings::getLibXmlLoaderOptions()
        );
        foreach ($rels->Relationship as $rel) {
            if ($rel['Type'] == 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument') {
                $dir = dirname($rel['Target']);
                $relsWorkbook = simplexml_load_string(
                    //~ http://schemas.openxmlformats.org/package/2006/relationships"
                    $this->securityScan(
                        $this->getFromZipArchive($zip, "$dir/_rels/" . basename($rel['Target']) . '.rels')
                    ),
                    'SimpleXMLElement',
                    Settings::getLibXmlLoaderOptions()
                );
                $relsWorkbook->registerXPathNamespace('rel', 'http://schemas.openxmlformats.org/package/2006/relationships');

                $worksheets = [];
                foreach ($relsWorkbook->Relationship as $ele) {
                    if ($ele['Type'] == 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet') {
                        $worksheets[(string) $ele['Id']] = $ele['Target'];
                    }
                }

                $xmlWorkbook = simplexml_load_string(
                    //~ http://schemas.openxmlformats.org/spreadsheetml/2006/main"
                    $this->securityScan(
                        $this->getFromZipArchive($zip, "{$rel['Target']}")
                    ),
                    'SimpleXMLElement',
                    Settings::getLibXmlLoaderOptions()
                );
                if ($xmlWorkbook->sheets) {
                    $dir = dirname($rel['Target']);
                    /** @var \SimpleXMLElement $eleSheet */
                    foreach ($xmlWorkbook->sheets->sheet as $eleSheet) {
                        $tmpInfo = [
                            'worksheetName' => (string) $eleSheet['name'],
                            'lastColumnLetter' => 'A',
                            'lastColumnIndex' => 0,
                            'totalRows' => 0,
                            'totalColumns' => 0,
                        ];

                        $fileWorksheet = $worksheets[(string) self::getArrayItem($eleSheet->attributes('http://schemas.openxmlformats.org/officeDocument/2006/relationships'), 'id')];

                        $xml = new XMLReader();
                        $xml->xml(
                            $this->securityScanFile(
                                'zip://' . File::realpath($pFilename) . '#' . "$dir/$fileWorksheet"
                            ),
                            null,
                            Settings::getLibXmlLoaderOptions()
                        );
                        $xml->setParserProperty(2, true);

                        $currCells = 0;
                        while ($xml->read()) {
                            if ($xml->name == 'row' && $xml->nodeType == XMLReader::ELEMENT) {
                                $row = $xml->getAttribute('r');
                                $tmpInfo['totalRows'] = $row;
                                $tmpInfo['totalColumns'] = max($tmpInfo['totalColumns'], $currCells);
                                $currCells = 0;
                            } elseif ($xml->name == 'c' && $xml->nodeType == XMLReader::ELEMENT) {
                                ++$currCells;
                            }
                        }
                        $tmpInfo['totalColumns'] = max($tmpInfo['totalColumns'], $currCells);
                        $xml->close();

                        $tmpInfo['lastColumnIndex'] = $tmpInfo['totalColumns'] - 1;
                        $tmpInfo['lastColumnLetter'] = Coordinate::stringFromColumnIndex($tmpInfo['lastColumnIndex'] + 1);

                        $worksheetInfo[] = $tmpInfo;
                    }
                }
            }
        }

        $zip->close();

        return $worksheetInfo;
    }
Return worksheet info (Name, Last Column Letter, Last Column Index, Total Rows, Total Columns).

@param string $pFilename

@throws Exception

@return array