08:57:30 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0380 seconds<br />08:57:30 Current memory usage: 4 MB<br />08:57:30 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0052 seconds<br />08:57:30 Current memory usage: 4 MB<br />08:57:30 Write to Excel2007 format<br />08:57:30 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0210 seconds<br />08:57:30 Current memory usage: 5.5 MB<br />08:57:30 Peak memory usage: 5.5 MB<br />08:57:30 Done writing file<br />File has been created in C:\phpEnv\www\wft\php\export\PHPExcel\Examples<br />