Add PHP8

- update README.md with latest PHP information
- update composer.json to support PHP 7.3 to PHP8
  - active support for PHP 7.2 ended 6 Dec 2020
  - PHP8 was released 26-Nov-2020
  - update the dependencies
- PHPUnit now version 9.5 and config file updated
- ECS now version 9.3 and config file changed from `ecs.yaml` to `ecs.php`

ApprovalTest removed, in line with latest readme, all set for refactoring :)

Tested with PHP 7.3, 7.4 and 8.0 one failing "fixme" != "foo" test!

php/README.md

@@ -1,16 +1,17 @@
 # GildedRose Kata - PHP Version
 
 See the [top level readme](../README.md) for general information about this exercise. This is the PHP version of the
- GildedRose Kata. 
+GildedRose Kata.
 
 ## Installation
 
 The kata uses:
 
-- PHP 7.2+
+- [PHP 7.3 or 7.4 or 8.0+](https://www.php.net/downloads.php)
 - [Composer](https://getcomposer.org)
 
 Recommended:
+
 - [Git](https://git-scm.com/downloads)
 
 Clone the repository
@@ -39,31 +40,33 @@ The project uses composer to install:
 - [PHPUnit](https://phpunit.de/)
 - [ApprovalTests.PHP](https://github.com/approvals/ApprovalTests.php)
 - [PHPStan](https://github.com/phpstan/phpstan)
-- [Easy Coding Standard (ECS)](https://github.com/symplify/easy-coding-standard) 
+- [Easy Coding Standard (ECS)](https://github.com/symplify/easy-coding-standard)
 - [PHP CodeSniffer](https://github.com/squizlabs/PHP_CodeSniffer/wiki)
 
 ## Folders
 
 - `src` - contains the two classes:
-  - `Item.php` - this class should not be changed.
-  - `GildedRose.php` - this class needs to be refactored, and the new feature added.
+    - `Item.php` - this class should not be changed
+    - `GildedRose.php` - this class needs to be refactored, and the new feature added
 - `tests` - contains the tests
-  - `GildedRoseTest.php` - Starter test.
-  - `ApprovalTest.php` - alternative approval test (set to 30 days)
+    - `GildedRoseTest.php` - starter test.
+        - Tip: ApprovalTests has been included as a dev dependency, see the PHP version of
+          the [Theatrical Players Refactoring Kata](https://github.com/emilybache/Theatrical-Players-Refactoring-Kata/)
+          for an example
 - `Fixture`
-  - `texttest_fixture.php` used by the approval test, or can be run from the command line
+    - `texttest_fixture.php` this could be used by an ApprovalTests, or run from the command line
 
 ## Testing
 
-PHPUnit is pre-configured to run tests. PHPUnit can be run using a composer script. To run the unit tests, from the
- root of the PHP project run:
+PHPUnit is configured for testing, a composer script has been provided. To run the unit tests, from the root of the PHP
+project run:
 
 ```shell script
 composer test
 ```
 
-On Windows a batch file has been created, similar to an alias on Linux/Mac (e.g. `alias pu="composer test"`), the same
- PHPUnit `composer test` can be run:
+A Windows a batch file has been created, like an alias on Linux/Mac (e.g. `alias pu="composer test"`), the same
+PHPUnit `composer test` can be run:
 
 ```shell script
 pu
@@ -77,12 +80,13 @@ To run all test and generate a html coverage report run:
 composer test-coverage
 ```
 
-The test-coverage report will be created in /builds, it is best viewed by opening **index.html** in your browser.
+The test-coverage report will be created in /builds, it is best viewed by opening /builds/**index.html** in your
+browser.
 
 ## Code Standard
 
-Easy Coding Standard (ECS) is used to check for style and code standards, **PSR-12** is used. The current code is not
- upto standard!
+Easy Coding Standard (ECS) is configured for style and code standards, **PSR-12** is used. The current code is not upto
+standard!
 
 ### Check Code
 
@@ -92,8 +96,8 @@ To check code, but not fix errors:
 composer check-cs
 ``` 
 
-On Windows a batch file has been created, similar to an alias on Linux/Mac (e.g. `alias cc="composer check-cs"`), the
- same PHPUnit `composer check-cs` can be run:
+On Windows a batch file has been created, like an alias on Linux/Mac (e.g. `alias cc="composer check-cs"`), the same
+PHPUnit `composer check-cs` can be run:
 
 ```shell script
 cc
@@ -101,14 +105,14 @@ cc
 
 ### Fix Code
 
-There are may code fixes automatically provided by ECS, if advised to run --fix, the following script can be run:
+ECS provides may code fixes, automatically, if advised to run --fix, the following script can be run:
 
 ```shell script
 composer fix-cs
 ```
 
-On Windows a batch file has been created, similar to an alias on Linux/Mac (e.g. `alias fc="composer fix-cs"`), the same
- PHPUnit `composer fix-cs` can be run:
+On Windows a batch file has been created, like an alias on Linux/Mac (e.g. `alias fc="composer fix-cs"`), the same
+PHPUnit `composer fix-cs` can be run:
 
 ```shell script
 fc
@@ -122,11 +126,11 @@ PHPStan is used to run static analysis checks:
 composer phpstan
 ```
 
-On Windows a batch file has been created, similar to an alias on Linux/Mac (e.g. `alias ps="composer phpstan"`), the
- same PHPUnit `composer phpstan` can be run:
+On Windows a batch file has been created, like an alias on Linux/Mac (e.g. `alias ps="composer phpstan"`), the same
+PHPUnit `composer phpstan` can be run:
 
 ```shell script
 ps
 ```
 
-**Happy coding**!
+**Happy coding**!