16:54:11 Write to Excel2007 format<br />16:54:11 File written to 33chartcreate-column-2.xlsx<br />16:54:11 Peak memory usage: 6 MB<br />16:54:11 Done writing file<br />File has been created in C:\Apache24\htdocs\leaf_webview\vendor\phpoffice\phpexcel\Examples<br />