Fix error on PHP 8.4

PHP 8.4 adds a new interface method DatetimeImmutable::createFromTimestamp().

.github/workflows/ci.yml

@@ -15,8 +15,57 @@ permissions:
 
 jobs:
   testsuite:
-    uses: cakephp/.github/.github/workflows/[email protected]
-    secrets: inherit
+    runs-on: ubuntu-22.04
+    continue-on-error: ${{ matrix.unstable }}
+    strategy:
+      fail-fast: false
+      matrix:
+        php-version: ['8.1']
+        dependencies: [highest]
+        unstable: [false]
+        include:
+          - php-version: '8.1'
+            dependencies: lowest
+            unstable: false
+          - php-version: '8.2'
+            dependencies: highest
+            unstable: false
+          - php-version: '8.3'
+            dependencies: highest
+            unstable: false
+          - php-version: '8.4'
+            dependencies: highest
+            unstable: true
+            composer-options: "--ignore-platform-req=php"
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Setup PHP
+      uses: shivammathur/setup-php@v2
+      with:
+        php-version: ${{ matrix.php-version }}
+        extensions: mbstring, intl
+        ini-values: zend.assertions=1
+        coverage: pcov
+
+    - name: Composer install
+      uses: ramsey/composer-install@v2
+      with:
+        dependency-versions: ${{ matrix.dependencies }}
+        composer-options: ${{ matrix.composer-options }}
+
+    - name: Run PHPUnit
+      run: |
+        if [[ ${{ matrix.php-version }} == '8.1' && ${{ matrix.dependencies }} == 'highest' ]]; then
+          export CODECOVERAGE=1 && vendor/bin/phpunit --display-deprecations --display-warnings --display-incomplete --display-skipped --coverage-clover=coverage.xml
+        else
+          vendor/bin/phpunit --display-deprecations --display-warnings
+        fi
+
+    - name: Code Coverage Report
+      if: success() && matrix.php-version == '8.1' && matrix.dependencies == 'highest'
+      uses: codecov/codecov-action@v3
 
   cs-stan:
     uses: cakephp/.github/.github/workflows/[email protected]

src/Chronos.php

@@ -736,13 +736,23 @@ public static function createFromArray(array $values): static
     /**
      * Create an instance from a timestamp
      *
-     * @param int $timestamp The timestamp to create an instance from.
+     * @param int|float $timestamp The timestamp to create an instance from.
      * @param \DateTimeZone|string|null $timezone The DateTimeZone object or timezone name the new instance should use.
      * @return static
      */
-    public static function createFromTimestamp(int $timestamp, DateTimeZone|string|null $timezone = null): static
+    public static function createFromTimestamp(int|float $timestamp, DateTimeZone|string|null $timezone = null): static
     {
-        return static::now($timezone)->setTimestamp($timestamp);
+        if (PHP_VERSION_ID >= 80400 && $timezone === null) {
+            return parent::createFromTimestamp($timestamp);
+        }
+
+        $instance = static::now($timezone);
+
+        if (is_int($timestamp)) {
+            return $instance->setTimestamp($timestamp);
+        }
+
+        return $instance->modify('@' . $timestamp);
     }
 
     /**