03:33:37 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0759 seconds<br />03:33:37 Current memory usage: 2 MB<br />03:33:37 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0251 seconds<br />03:33:37 Current memory usage: 2 MB<br />03:33:37 Write to Excel2007 format<br />03:33:37 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0241 seconds<br />03:33:37 Current memory usage: 2 MB<br />03:33:37 Peak memory usage: 2 MB<br />03:33:37 Done writing file<br />File has been created in D:\dev\sklad\vendor\phpoffice\phpexcel\Examples<br />