14:42:35 Write to Excel2007 format<br />14:42:35 File written to 33chartcreate-bar-stacked.xlsx<br />14:42:35 Peak memory usage: 2 MB<br />14:42:35 Done writing file<br />File has been created in C:\wamp64\www\sviaticos\vendor\phpoffice\phpexcel\Examples<br />