Remove composer.lock to test various versions (#1)

* Remove composer.lock to test various versions

* Fix a bug to match php version as well

* Fix a phpunit version error

* Resolve laravel/pint version issue

* Fix a typo

* FIx a license sentence onto the README

.github/workflows/tests.yml

@@ -16,12 +16,19 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        php: [7.4, 8.0, 8.1, 8.2, 8.3]
+        php: [8.0, 8.1, 8.2, 8.3]
 
     name: PHP ${{ matrix.php }}
 
     steps:
-      - uses: actions/checkout@v2
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          coverage: none
 
       - name: Validate composer.json and composer.lock
         run: composer validate

.gitignore

@@ -87,4 +87,6 @@ $RECYCLE.BIN/
 # Windows shortcuts
 *.lnk
 
-# End of https://www.toptal.com/developers/gitignore/api/composer,macos,windows,visualstudiocode
+# End of https://www.toptal.com/developers/gitignore/api/composer,macos,windows,visualstudiocode
+
+composer.lock

README.md

@@ -1,6 +1,6 @@
 # Array Flatten
 
-[![Test](https://github.com/cable8mm/array-flatten/actions/workflows/tests.yml/badge.svg)](https://github.com/cable8mm/array-flatten/actions/workflows/tests.yml)
+[![Tests](https://github.com/cable8mm/array-flatten/actions/workflows/tests.yml/badge.svg)](https://github.com/cable8mm/array-flatten/actions/workflows/tests.yml)
 [![PHP Linting (Pint)](https://github.com/cable8mm/array-flatten/actions/workflows/coding-style-php.yml/badge.svg)](https://github.com/cable8mm/array-flatten/actions/workflows/coding-style-php.yml)
 [![Latest Stable Version](http://poser.pugx.org/cable8mm/array-flatten/v)](https://packagist.org/packages/cable8mm/array-flatten)
 [![Total Downloads](http://poser.pugx.org/cable8mm/array-flatten/downloads)](https://packagist.org/packages/cable8mm/array-flatten)
@@ -27,4 +27,4 @@ array_flatten([1, [2, [3, [4, [5], 6], 7], 8], 9]);
 
 ## License
 
-The QR Images is open-sourced software licensed under the [MIT license](http://opensource.org/licenses/MIT).
+The Array Flatten is open-sourced software licensed under the [MIT license](http://opensource.org/licenses/MIT).

composer.json

@@ -23,11 +23,11 @@
         }
     ],
     "require": {
-        "php": "^7.4|^8.0"
+        "php": "^8.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^11.0",
-        "laravel/pint": "^1.14"
+        "phpunit/phpunit": "^9.0|^10.0|^11.0",
+        "laravel/pint": "^1.0"
     },
     "scripts": {
         "test": [