19:18:09 Write to Excel2007 format<br />19:18:09 File written to 33chartcreate-bar-stacked.xlsx<br />19:18:09 Peak memory usage: 2 MB<br />19:18:09 Done writing file<br />File has been created in C:\Apache24\htdocs\leaf_webview\vendor\phpoffice\phpexcel\Examples<br />