fix php test

Author: adityapatadia

.github/workflows/php-testing.yml

@@ -23,7 +23,7 @@ jobs:
         tools: php-cs-fixer, phpunit
 
     - name: Composer Install
-      run: composer install
+      run:  composer install --no-ansi --no-interaction --no-scripts --no-suggest --no-progress --prefer-dist
 
     - name: Running Tests
       run: |

README.md

@@ -29,6 +29,8 @@ If using [Composer](https://getcomposer.org/), in your `composer.json` file add:
 
 If you are still using PHP 5.3, please install version ```1.7.0``` and if you are using PHP 5.4, please install version ```1.8.0``` of this library.
 
+WebP support is added with PHP `5.6.0` and current version of library supports that. If you are facing issues, please use `1.9.2` version of this library.
+
 Otherwise:
 
 ```php