11:41:15 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0811 seconds<br />11:41:15 Current memory usage: 3 MB<br />11:41:15 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0089 seconds<br />11:41:15 Current memory usage: 3 MB<br />11:41:15 Write to Excel2007 format<br />11:41:16 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0476 seconds<br />11:41:16 Current memory usage: 4.5 MB<br />11:41:16 Peak memory usage: 4.5 MB<br />11:41:16 Done writing file<br />File has been created in C:\web\php5\phpexcel\Examples<br />