setDelimiter(',') ->setEnclosure('"') ->setLineEnding("\r\n") ->setSheetIndex(0) ->save(str_replace('.php', '.csv', __FILE__)); echo date('H:i:s') , " File written to " , str_replace('.php', '.csv', __FILE__) , PHP_EOL; echo date('H:i:s') , " Read from CSV format" , PHP_EOL; $objReader = PHPExcel_IOFactory::createReader('CSV')->setDelimiter(',') ->setEnclosure('"') ->setLineEnding("\r\n") ->setSheetIndex(0); $objPHPExcelFromCSV = $objReader->load(str_replace('.php', '.csv', __FILE__)); echo date('H:i:s') , " File read from " , str_replace('.php', '.csv', __FILE__) , PHP_EOL; echo date('H:i:s') , " Write to Excel2007 format" , PHP_EOL; $objWriter2007 = PHPExcel_IOFactory::createWriter($objPHPExcelFromCSV, 'Excel2007'); $objWriter2007->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 files" , PHP_EOL;