Update dependencies.

Test on PHP 7.4 and 8+

.github/workflows/php.yml

@@ -0,0 +1,51 @@
+name: PHP
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - php: 7.4
+            composer: '--prefer-lowest'
+            desc: "Lowest versions"
+          - php: 7.4
+          - php: 8.0
+          - php: 8.1
+          - php: 8.2
+            coverage: '--coverage-clover /tmp/clover.xml'
+          - php: 8.3
+    name: PHP ${{ matrix.php }} ${{ matrix.desc }}
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        fetch-depth: 2
+
+    - name: Setup PHP
+      uses: shivammathur/setup-php@v2
+      with:
+        php-version: ${{ matrix.php }}
+        coverage: xdebug
+
+    - name: Validate composer.json and composer.lock
+      run: composer validate
+
+    - name: Install dependencies
+      run: composer update --prefer-dist --no-progress ${{ matrix.composer }}
+
+    - name: Run PHPUnit
+      run: vendor/bin/phpunit ${{ matrix.coverage }}
+
+    - name: Upload Scrutinizer coverage
+      uses: sudo-bot/action-scrutinizer@latest
+      if: ${{ matrix.coverage }}
+      with:
+        cli-args: "--format=php-clover build/logs/clover.xml --revision=${{ github.event.pull_request.head.sha || github.sha }}"

.gitignore

@@ -1,3 +1,4 @@
 /vendor
 /composer.lock
 .phpunit.result.cache
+.idea

composer.json

@@ -16,7 +16,7 @@
         "source": "https://github.com/jasny/twig-extensions"
     },
     "require": {
-        "php": ">=7.0.0",
+        "php": ">=7.4.0",
         "twig/twig": "^2.0 | ^3.0"
     },
     "suggest": {
@@ -29,14 +29,26 @@
         }
     },
     "require-dev": {
-        "php": ">=7.2.0",
+        "php": ">=7.4.0",
         "ext-intl": "*",
         "ext-pcre": "*",
-        "jasny/php-code-quality": "^2.5"
+        "ext-json": "*",
+        "phpstan/phpstan": "^1.12.0",
+        "phpunit/phpunit": "^9.6",
+        "squizlabs/php_codesniffer": "^3.10"
     },
     "autoload-dev": {
-        "classmap": [
-            "tests/support/"
+        "psr-4": {
+          "Jasny\\Twig\\Tests\\": "tests/"
+        }
+    },
+    "minimum-stability": "dev",
+    "prefer-stable": true,
+    "scripts": {
+        "test": [
+            "phpstan analyse",
+            "XDEBUG_MODE=coverage phpunit --testdox --colors=always --coverage-text",
+            "phpcs -p src"
         ]
     }
 }

phpstan.neon

@@ -0,0 +1,5 @@
+parameters:
+    level: 5
+    paths:
+        - src
+

phpunit.xml.dist

@@ -1,24 +1,13 @@
 <?xml version="1.0" encoding="UTF-8"?>
-
-<phpunit
-    colors="true"
-    bootstrap="vendor/autoload.php"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
->
-    <testsuites>
-        <testsuite name="tests">
-            <directory>tests/</directory>
-        </testsuite>
-    </testsuites>
-    <filter>
-        <whitelist processUncoveredFilesFromWhitelist="true">
-            <directory suffix=".php">src</directory>
-        </whitelist>
-    </filter>
-    <logging>
-        <log type="coverage-text" target="php://stdout"/>
-    </logging>    
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" colors="true" bootstrap="vendor/autoload.php" convertErrorsToExceptions="true" convertNoticesToExceptions="true" convertWarningsToExceptions="true" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
+  <coverage processUncoveredFiles="true">
+    <include>
+      <directory suffix=".php">src</directory>
+    </include>
+  </coverage>
+  <testsuites>
+    <testsuite name="tests">
+      <directory>tests/</directory>
+    </testsuite>
+  </testsuites>
 </phpunit>
-

src/ArrayExtension.php

@@ -12,10 +12,8 @@ class ArrayExtension extends AbstractExtension
 {
     /**
      * Return extension name
-     *
-     * @return string
      */
-    public function getName()
+    public function getName(): string
     {
         return 'jasny/array';
     }
@@ -38,44 +36,38 @@ public function getFilters()
 
     /**
      * Calculate the sum of values in an array
-     *
-     * @param array $array
-     * @return int
      */
-    public function sum($array)
+    public function sum(?array $array): ?int
     {
         return isset($array) ? array_sum((array)$array) : null;
     }
 
     /**
      * Calculate the product of values in an array
-     *
-     * @param array $array
-     * @return int
      */
-    public function product($array)
+    public function product(?array $array): ?int
     {
         return isset($array) ? array_product((array)$array) : null;
     }
 
     /**
      * Return all the values of an array or object
      *
-     * @param array|object $array
-     * @return array
+     * @param array|object|null $array
+     * @return array|null
      */
-    public function values($array)
+    public function values($array): ?array
     {
         return isset($array) ? array_values((array)$array) : null;
     }
 
     /**
      * Cast value to an array
      *
-     * @param object|mixed $value
+     * @param mixed $value
      * @return array
      */
-    public function asArray($value)
+    public function asArray($value): array
     {
         return is_object($value) ? get_object_vars($value) : (array)$value;
     }
@@ -84,9 +76,9 @@ public function asArray($value)
      * Cast an array to an HTML attribute string
      *
      * @param mixed $array
-     * @return string
+     * @return string|null
      */
-    public function htmlAttributes($array)
+    public function htmlAttributes($array): ?string
     {
         if (!isset($array)) {
             return null;