Use reader. php to import excel files to mysql

Use the reader.php class to import excelto mysqlquestion thefilenamedata.xlsx isnotreadable. in the local test, this error is always included. Read the & nbsp; if (substr ($ this-& gt; data,) in the code )! = IDENTIFIER_OLE) when using the reader. php class to import excel to mysql
The filename data.xlsx is not readable. this error is always included in The local test.
Read
If (substr ($ this-> data, 0, 8 )! = IDENTIFIER_OLE) run here without completion
I don't know if it's encoding or something else.
But it does not mean that the file is not readable!


------ Solution --------------------
Please confirm that your class supports Excel 2007