04:51:17 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0453 seconds<br />04:51:17 Current memory usage: 4 MB<br />04:51:17 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0040 seconds<br />04:51:17 Current memory usage: 4 MB<br />04:51:17 Write to Excel2007 format<br />04:51:17 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0401 seconds<br />04:51:17 Current memory usage: 6 MB<br />04:51:17 Peak memory usage: 6 MB<br />04:51:17 Done writing file<br />File has been created in D:\dev\sklad\vendor\phpoffice\phpexcel\Examples<br />