Update README

README.md

@@ -9,9 +9,13 @@
 <p align="center">
   <a href="https://github.com/shivammathur/setup-php" title="GitHub action to setup PHP"><img alt="GitHub Actions status" src="https://github.com/shivammathur/setup-php/workflows/Main%20workflow/badge.svg"></a>
   <a href="https://codecov.io/gh/shivammathur/setup-php" title="Code coverage"><img alt="Codecov Code Coverage" src="https://codecov.io/gh/shivammathur/setup-php/branch/master/graph/badge.svg"></a>
-  <a href="https://github.com/shivammathur/setup-php/blob/master/LICENSE" title="license"><img alt="LICENSE" src="https://img.shields.io/badge/license-MIT-428f7e.svg"></a>
+  <a href="https://github.com/shivammathur/setup-php/blob/master/LICENSE" title="license"><img alt="LICENSE" src="https://img.shields.io/badge/license-MIT-428f7e.svg?logo=open%20source%20initiative&logoColor=white&labelColor=555555"></a>
-  <a href="#tada-php-support" title="PHP Versions Supported"><img alt="PHP Versions Supported" src="https://img.shields.io/badge/php-%3E%3D%205.3-8892BF.svg"></a>
+  <a href="#tada-php-support" title="PHP Versions Supported"><img alt="PHP Versions Supported" src="https://img.shields.io/badge/php-5.3%20to%208.0-777bb3.svg?logo=php&logoColor=white&labelColor=555555"></a>  
-  <a href="https://twitter.com/setup_php" title="setup-php twitter"><img alt="setup-php twitter" src="https://img.shields.io/badge/twitter-follow-1DA1F2?logo=twitter"></a>
+</p>
+<p align="center">  
+  <a href="https://reddit.com/r/setup_php" title="setup-php reddit"><img alt="setup-php reddit" src="https://img.shields.io/badge/reddit-join-FF5700?logo=reddit&logoColor=FF5700&labelColor=555555"></a>
+  <a href="https://twitter.com/setup_php" title="setup-php twitter"><img alt="setup-php twitter" src="https://img.shields.io/badge/twitter-follow-1DA1F2?logo=twitter&logoColor=1DA1F2&labelColor=555555"></a>
+  <a href="https://setup-php.statuspage.io/" title="setup-php status"><img alt="setup-php status" src="https://img.shields.io/badge/status-subscribe-28A745?logo=statuspage&logoColor=28A745&labelColor=555555"></a>  
 </p>
 
 Setup PHP with required extensions, php.ini configuration, code-coverage support and various tools like composer in [GitHub Actions](https://github.com/features/actions "GitHub Actions"). This action gives you a cross platform interface to setup the PHP environment you need to test your application. Refer to [Usage](#memo-usage "How to use this") section and [examples](#examples "Examples of use") to see how to use this.
@@ -100,6 +104,7 @@ Both `GitHub-hosted` runners and `self-hosted` runners are supported on the foll
 - On `ubuntu` by default extensions which are available as a package can be installed. PECL extensions if not available as a package can be installed by specifying `pecl` in the tools input.
 
 ```yaml
+- name: Setup PHP with pecl extension
   uses: shivammathur/setup-php@v2
   with:
     php-version: '7.4'
@@ -116,6 +121,7 @@ with:
 - Specific versions of PECL extensions can be installed by suffixing the version. This is useful for installing old versions of extensions which support end of life PHP versions.
 
 ```yaml
+- name: Setup PHP with specific version of PECL extension
   uses: shivammathur/setup-php@v2
   with:
     php-version: '5.4'
@@ -126,6 +132,7 @@ with:
 - Pre-release versions of PECL extensions can be setup by suffixing the extension with its state i.e `alpha`, `beta`, `devel` or `snapshot`.
 
 ```yaml
+- name: Setup PHP with pre-release PECL extension
   uses: shivammathur/setup-php@v2
   with:
     php-version: '7.4'
@@ -136,12 +143,23 @@ with:
 - Shared extensions can be removed by prefixing them with a `:`.
 
 ```yaml
+- name: Setup PHP and remove shared extension
   uses: shivammathur/setup-php@v2
   with:
     php-version: '7.4'  
     extensions: :opcache
 ```
 
+- Extension `intl` can be setup with specific `ICU` version for `PHP 5.6` to `PHP 7.4` in `Ubuntu` workflows by suffixing `intl` with the `ICU` version. `ICU 50.2` and newer versions are supported. Refer to [`ICU builds`](https://github.com/shivammathur/icu-intl#icu4c-builds) for the specific versions supported.
+
+```yaml
+- name: Setup PHP with intl
+  uses: shivammathur/setup-php@v2
+  with:
+    php-version: '7.4'
+    extensions: intl-67.1
+```
+
 - Extensions which cannot be added or removed gracefully leave an error message in the logs, the action is not interrupted.
 
 - These extensions have custom support - `cubrid`, `pdo_cubrid` and `gearman` on `Ubuntu`, and `blackfire`, `ioncube`, `oci8`, `pdo_oci`, `phalcon3` and `phalcon4` on all supported OS.
@@ -150,9 +168,10 @@ with:
 
 These tools can be setup globally using the `tools` input.
 
-`blackfire`, `blackfire-player`, `codeception`, `composer`, `composer-normalize`, `composer-prefetcher`, `composer-require-checker`, `composer-unused`, `cs2pr`, `deployer`, `flex`, `grpc_php_plugin`, `infection`, `pecl`, `phan`, `phinx`, `phive`, `phpcbf`, `phpcpd`, `php-config`, `php-cs-fixer`, `phpcs`, `phpize`, `phpmd`, `phpstan`, `phpunit`, `prestissimo`, `protoc`, `psalm`, `symfony`, `vapor-cli`
+`blackfire`, `blackfire-player`, `codeception`, `composer`, `composer-normalize`, `composer-prefetcher`, `composer-require-checker`, `composer-unused`, `cs2pr`, `deployer`, `flex`, `grpc_php_plugin`, `infection`, `pecl`, `phan`, `phing`, `phinx`, `phive`, `phpcbf`, `phpcpd`, `php-config`, `php-cs-fixer`, `phpcs`, `phpize`, `phpmd`, `phpstan`, `phpunit`, `prestissimo`, `protoc`, `psalm`, `symfony`, `vapor-cli`
 
 ```yaml
+- name: Setup PHP with tools
   uses: shivammathur/setup-php@v2
   with:
     php-version: '7.4'
@@ -163,23 +182,28 @@ To setup a particular version of a tool, specify it in the form `tool:version`.
 Latest stable version of `composer` is setup by default. You can setup the required version by specifying `v1`, `v2`, `snapshot` or `preview` as version.
 
 ```yaml
+- name: Setup PHP with composer v2
   uses: shivammathur/setup-php@v2
   with:
     php-version: '7.4'
     tools: composer:v2
 ```
 
+Latest versions of both agent `blackfire-agent` and client `blackfire` are setup when `blackfire` is specified in tools input. Please refer to the [official documentation](https://blackfire.io/docs/integrations/ci/github-actions "Blackfire.io documentation for GitHub Actions") for using `blackfire` with GitHub Actions.
+
 Version for other tools should be in `semver` format and a valid release of the tool.  
+This is useful for installing tools for older versions of PHP.  
+For example to setup `PHPUnit` on `PHP 7.2`.
 
 ```yaml
+- name: Setup PHP with tools
   uses: shivammathur/setup-php@v2
   with:
-  php-version: '7.4'
+    php-version: '7.2'
-  tools: php-cs-fixer:2.16.2, phpunit:8.5.1
+    tools: phpunit:8.5.8
 ```
 
 **Notes**
-- Latest versions of both agent `blackfire-agent` and client `blackfire` are setup when `blackfire` is specified in tools input.
 - If you have a tool in your `composer.json`, do not setup it globally using this action as the two instances of the tool might conflict.
 - Tools which cannot be setup gracefully leave an error message in the logs, the action is not interrupted.
 
@@ -191,6 +215,7 @@ Specify `coverage: xdebug` to use `Xdebug`.
 Runs on all [PHP versions supported](#tada-php-support "List of PHP versions supported on this GitHub Action").
 
 ```yaml
+- name: Setup PHP with Xdebug
   uses: shivammathur/setup-php@v2
   with:
     php-version: '7.4'
@@ -205,6 +230,7 @@ Tests with `PCOV` run much faster than with `Xdebug`.
 If your source code directory is other than `src`, `lib` or, `app`, specify `pcov.directory` using the `ini-values` input.  
 
 ```yaml
+- name: Setup PHP with PCOV
   uses: shivammathur/setup-php@v2
   with:
     php-version: '7.4'
@@ -212,6 +238,17 @@ with:
     coverage: pcov
 ```
 
+`PHPUnit` 8 and above supports `PCOV` out of the box.  
+If you are using `PHPUnit` 5, 6 or 7, you will need `krakjoe/pcov-clobber`.  
+Before executing your tests add the following step.
+
+```yaml
+- name: Setup PCOV
+  run: |
+    composer require pcov/clobber
+    vendor/bin/pcov clobber
+```
+
 ### Disable Coverage
 
 Specify `coverage: none` to remove both `Xdebug` and `PCOV`.  
@@ -223,6 +260,7 @@ Consider disabling the coverage using this PHP action for these reasons.
 - You are profiling your code using `blackfire`.
 
 ```yaml
+- name: Setup PHP with no coverage driver
   uses: shivammathur/setup-php@v2
   with:
     php-version: '7.4'
@@ -326,7 +364,7 @@ steps:
 - name: Checkout
   uses: actions/checkout@v2
 
-- name: Setup PHP
+- name: Setup nightly PHP
   uses: shivammathur/setup-php@v2
   with:
     php-version: '8.0'
@@ -438,7 +476,7 @@ jobs:
 - You can specify the `update` environment variable to `true` to force update to the latest release.
 
 ```yaml
-- name: Setup PHP
+- name: Setup PHP with latest versions
   uses: shivammathur/setup-php@v2
   with:
     php-version: '7.4'
@@ -453,7 +491,7 @@ jobs:
 To debug any issues, you can use the `verbose` tag instead of `v2`.
 
 ```yaml
-- name: Setup PHP
+- name: Setup PHP with logs
   uses: shivammathur/setup-php@verbose
   with:
     php-version: '7.4'
@@ -613,21 +651,33 @@ Examples of using `setup-php` with various PHP Frameworks and Packages.
 - See [Contributor's Guide](.github/CONTRIBUTING.md "shivammathur/setup-php contribution guide") before you start.
 - If you face any issues while using this or want to suggest a feature/improvement, create an issue [here](https://github.com/shivammathur/setup-php/issues "Issues reported").
 
+*Join the list of setup-php contributors*
+
+<p align="center">
+  <a href="https://github.com/shivammathur/setup-php/graphs/contributors">
+    <img src="https://opencollective.com/setup-php/contributors.svg?width=1024&button=false" alt="setup-php contributers" width="100%">
+  </a>
+</p>
+
 ## :sparkling_heart: Support This Project
 
 - Please star the project and share it. If you blog, please share your experience of using this action.
-- Please consider supporting our work by sponsoring using [Paypal](https://www.paypal.me/shivammathur "Shivam Mathur PayPal") or by subscribing on [Patreon](https://www.patreon.com/shivammathur "Shivam Mathur Patreon").
+- Please consider supporting our work by sponsoring using [Open Collective](https://opencollective.com/setup-php), [Paypal](https://www.paypal.me/shivammathur "Shivam Mathur PayPal") or [Patreon](https://www.patreon.com/shivammathur "Shivam Mathur Patreon").
 - If you use `setup-php` at your company, please [reach out](mailto:contact@setup-php.com) to sponsor the project.
 
 *Huge thanks to the following companies for supporting `setup-php`*
 
 <p>
   <a href="https://www.jetbrains.com/?from=setup-php">
-    <img src="https://shivammathur.com/jetbrains.svg" alt="JetBrains" width="150" height="85">
+    <img src="https://shivammathur.com/jetbrains.svg" alt="JetBrains" width="106" height="60">
   </a>
-  <img src="https://shivammathur.com/blank.svg" alt="spacer" width="40" height="85">  
+  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+  <a href="https://blackfire.io/?utm_source=setup-php">
+    <img src="https://shivammathur.com/blackfire.svg" alt="Blackfire" width="212" height="60">
+  </a>
+  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
   <a href="https://tidelift.com/subscription/pkg/npm-setup-php">
-    <img src="https://shivammathur.com/tidelift.png" alt="Tidelift" width="100" height="85">
+    <img src="https://shivammathur.com/tidelift.png" alt="Tidelift" width="70" height="60">
   </a>
 </p>
 
@@ -641,6 +691,7 @@ Examples of using `setup-php` with various PHP Frameworks and Packages.
 - [shivammathur/composer-cache](https://github.com/shivammathur/composer-cache "Cache composer releases")
 - [shivammathur/homebrew-extensions](https://github.com/shivammathur/homebrew-extensions "Tap for PHP extensions on MacOS")
 - [shivammathur/homebrew-php](https://github.com/shivammathur/homebrew-php "Tap for PHP builds on MacOS")
+- [shivammathur/icu-intl](https://github.com/shivammathur/icu-intl "icu4c and php-intl builds")
 - [shivammathur/php-builder](https://github.com/shivammathur/php-builder "Nightly PHP package for Ubuntu")
 - [shivammathur/php-builder-windows](https://github.com/shivammathur/php-builder-windows "Nightly PHP package for Windows")
 - [shivammathur/php-ubuntu](https://github.com/shivammathur/php-ubuntu "Cache stable PHP Packages for Ubuntu")