File not readable

```
What steps will reproduce the problem?
1.Reading the file
2.It is a large file

What is the expected output? What do you see instead?
It doesn't read the large files. but it works with small files.

Please provide any additional information below.

In case of public domain's url such as "
http://www.imf.org/external/pubs/ft/weo/2010/01/weodata/WEOApr2010all.xls "..
please give me a solution to read this data.
```

Original issue reported on code.google.com by `suresve...@gmail.com` on 9 Aug 2010 at 12:13

Attachments:
- [WEOApr2010all.xls](https://storage.googleapis.com/google-code-attachments/php-excel-reader/issue-84/comment-0/WEOApr2010all.xls)

Start by reproducing the failure with the attached WEOApr2010all.xls file and compare it with a smaller file that works. Inspect the reader entry point and determine whether the large workbook can be read successfully without changing the expected results.

Written by the indexing model from the issue text.