Fix switch...continue for php 7.3

The project is dead and should not be used anymore.

Classes/PHPExcel/Shared/OLE.php

@@ -285,7 +285,7 @@ class PHPExcel_Shared_OLE
                     $pps = new PHPExcel_Shared_OLE_PPS_File($name);
                     break;
                 default:
-                    continue;
+                    continue 2;
             }
             fseek($fh, 1, SEEK_CUR);
             $pps->Type    = $type;

README.md

@@ -1,49 +1,9 @@
-# PHPExcel - OpenXML - Read, Write and Create spreadsheet documents in PHP - Spreadsheet engine
-PHPExcel is a library written in pure PHP and providing a set of classes that allow you to write to and read from different spreadsheet file formats, like Excel (BIFF) .xls, Excel 2007 (OfficeOpenXML) .xlsx, CSV, Libre/OpenOffice Calc .ods, Gnumeric, PDF, HTML, ... This project is built around Microsoft's OpenXML standard and PHP.
+# PHPExcel - DEAD
 
-Master: [![Build Status](https://travis-ci.org/PHPOffice/PHPExcel.png?branch=master)](http://travis-ci.org/PHPOffice/PHPExcel)
-
-Develop: [![Build Status](https://travis-ci.org/PHPOffice/PHPExcel.png?branch=develop)](http://travis-ci.org/PHPOffice/PHPExcel)
-
-[![Join the chat at https://gitter.im/PHPOffice/PHPExcel](https://img.shields.io/badge/GITTER-join%20chat-green.svg)](https://gitter.im/PHPOffice/PHPExcel)
-
-## File Formats supported
-
-### Reading
- * BIFF 5-8 (.xls) Excel 95 and above
- * Office Open XML (.xlsx) Excel 2007 and above
- * SpreadsheetML (.xml) Excel 2003
- * Open Document Format/OASIS (.ods)
- * Gnumeric
- * HTML
- * SYLK
- * CSV
-
-### Writing
- * BIFF 8 (.xls) Excel 95 and above
- * Office Open XML (.xlsx) Excel 2007 and above
- * HTML
- * CSV
- * PDF (using either the tcPDF, DomPDF or mPDF libraries, which need to be installed separately)
-
-
-## Requirements
- * PHP version 5.2.0 or higher
- * PHP extension php_zip enabled (required if you need PHPExcel to handle .xlsx .ods or .gnumeric files)
- * PHP extension php_xml enabled
- * PHP extension php_gd2 enabled (optional, but required for exact column width autocalculation)
-
-
-## Want to contribute?
-
-If you would like to contribute, here are some notes and guidlines:
- - All new development happens on the 1.8 branch, so it is always the most up-to-date
- - The master branch only contains tagged releases
- - If you are going to be submitting a pull request, please fork from 1.8, and submit your pull request back to that 1.8 branch
- - Wherever possible, code changes should conform as closely as possible to PSR-2 standards
- - [Helpful article about forking](https://help.github.com/articles/fork-a-repo/ "Forking a Github repository")
- - [Helpful article about pull requests](https://help.github.com/articles/using-pull-requests/ "Pull Requests")
+PHPExcel last version, 1.8.1, was released in 2015. The project was officially deprecated in 2017 and permanently archived in 2019.
 
+The project has not be maintained for years and must not be used anymore. **All users must migrate** to its direct successor [PhpSpreadsheet](https://github.com/PHPOffice/PhpSpreadsheet), or another alternative.
 
 ## License
+
 PHPExcel is licensed under [LGPL (GNU LESSER GENERAL PUBLIC LICENSE)](https://github.com/PHPOffice/PHPExcel/blob/master/license.md)