load($inputFilename); $drawings = $spreadsheet->getActiveSheet()->getDrawingCollection(); self::assertCount(1, $drawings); $drawing = $drawings[0]; self::assertInstanceOf(Drawing::class, $drawing); self::assertSame('wmf', $drawing->getExtension()); // Save spreadsheet to file and read it back $reloadedSpreadsheet = $this->writeAndReload($spreadsheet, 'Xlsx'); $drawings = $reloadedSpreadsheet->getActiveSheet()->getDrawingCollection(); self::assertCount(1, $drawings); $drawing = $drawings[0]; self::assertInstanceOf(Drawing::class, $drawing); self::assertSame('wmf', $drawing->getExtension()); $spreadsheet->disconnectWorksheets(); $reloadedSpreadsheet->disconnectWorksheets(); } }