20:18:26 Write to Excel2007 format<br />20:18:26 File written to 33chartcreate-column-2.xlsx<br />20:18:26 Peak memory usage: 2 MB<br />20:18:26 Done writing file<br />File has been created in C:\Apache24\htdocs\leaf_webview\vendor\phpoffice\phpexcel\Examples<br />