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# PHPExcel User Documentation – Reading Spreadsheet Files
## Error Handling
Of course, you should always apply some error handling to your scripts as well. PHPExcel throws exceptions, so you can wrap all your code that accesses the library methods within Try/Catch blocks to trap for any problems that are encountered, and deal with them in an appropriate manner.
The PHPExcel Readers throw a PHPExcel_Reader_Exception.