starting the upgrade to php74

* Point contributors to PhpSpreadsheet

* Mentions incompatiblity with PHP 5.6.29 and SQLite3

Fixes PHPOffice#1085
Closes PHPOffice#1122

* Fix typo in bug number

* PHPExcel is deprecated

* Permanently archive the project

The project is dead and should not be used anymore.

* updating to 7.4

* Update String.php

* enable at packagist

Co-authored-by: Adrien Crivelli <adrien.crivelli@gmail.com>

Author: Arkanius

Classes/PHPExcel/Shared/String.php

@@ -523,8 +523,8 @@ public static function utf16_decode($str, $bom_be = true)
         if (strlen($str) < 2) {
             return $str;
         }
-        $c0 = ord($str{0});
-        $c1 = ord($str{1});
+        $c0 = ord($str[0]);
+        $c1 = ord($str[1]);
         if ($c0 == 0xfe && $c1 == 0xff) {
             $str = substr($str, 2);
         } elseif ($c0 == 0xff && $c1 == 0xfe) {
@@ -535,11 +535,11 @@ public static function utf16_decode($str, $bom_be = true)
         $newstr = '';
         for ($i=0; $i<$len; $i+=2) {
             if ($bom_be) {
-                $val = ord($str{$i})   << 4;
-                $val += ord($str{$i+1});
+                $val = ord($str[$i]) << 4;
+                $val += ord($str[$i+1]);
             } else {
-                $val = ord($str{$i+1}) << 4;
-                $val += ord($str{$i});
+                $val = ord($str[$i+1]) << 4;
+                $val += ord($str[$i]);
             }
             $newstr .= ($val == 0x228) ? "\n" : chr($val);
         }

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)

composer.json

@@ -1,27 +1,10 @@
 {
-    "name": "phpoffice/phpexcel",
+    "name": "convenia/excel-manager",
     "description": "PHPExcel - OpenXML - Read, Create and Write Spreadsheet documents in PHP - Spreadsheet engine",
     "keywords": ["PHP","Excel","OpenXML","xlsx","xls","spreadsheet"],
     "homepage": "https://github.com/PHPOffice/PHPExcel",
     "type": "library",
-    "license": "LGPL-2.1",
-    "authors": [
-        {
-            "name": "Maarten Balliauw",
-            "homepage": "http://blog.maartenballiauw.be"
-        },
-        {
-            "name": "Mark Baker",
-            "homepage": "http://markbakeruk.net"
-        },
-        {
-            "name": "Franck Lefevre",
-            "homepage": "http://rootslabs.net"
-        },
-        {
-            "name": "Erik Tilt"
-        }
-    ],
+    "license": "MIT",
     "require": {
         "php": "^5.2|^7.0",
         "ext-mbstring": "*",