setIncludeCharts(TRUE); $objPHPExcel = $objReader->load("33chartcreate.xlsx"); echo date('H:i:s') , " Update cell data values that are displayed in the chart" , PHP_EOL; $objWorksheet = $objPHPExcel->getActiveSheet(); $objWorksheet->fromArray( array( array(50-12, 50-15, 50-21), array(50-56, 50-73, 50-86), array(50-52, 50-61, 50-69), array(50-30, 50-32, 50), ), NULL, 'B2' ); // Save Excel 2007 file echo date('H:i:s') , " Write to Excel2007 format" , PHP_EOL; $objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007'); $objWriter->setIncludeCharts(TRUE); $objWriter->save(str_replace('.php', '.xlsx', __FILE__)); echo date('H:i:s') , " File written to " , str_replace('.php', '.xlsx', __FILE__) , PHP_EOL; // Echo memory peak usage echo date('H:i:s') , " Peak memory usage: " , (memory_get_peak_usage(true) / 1024 / 1024) , " MB" , PHP_EOL; // Echo done echo date('H:i:s') , " Done writing file" , PHP_EOL;