02:22:31 Write to Excel2007 format<br />02:22:31 File written to 33chartcreate-column.xlsx<br />02:22:31 Peak memory usage: 6 MB<br />02:22:31 Done writing file<br />File has been created in /home/ebek/englishexpert_ebek_in/include/PHPExcel/Examples<br />