Add PHP 8.4 support for 2.2 branch

Author: phil-davis

.github/workflows/ci.yml

@@ -14,10 +14,16 @@ jobs:
       matrix:
         php-versions: ['7.2', '7.3', '7.4', '8.0', '8.1', '8.2', '8.3']
         coverage: ['pcov']
+        code-style: ['no']
         code-analysis: ['no']
         include:
           - php-versions: '7.1'
             coverage: 'none'
+            code-style: 'yes'
+            code-analysis: 'yes'
+          - php-versions: '8.4'
+            coverage: 'pcov'
+            code-style: 'no'
             code-analysis: 'yes'
     steps:
       - name: Checkout
@@ -48,8 +54,8 @@ jobs:
         run: composer install --no-progress --prefer-dist --optimize-autoloader
 
       - name: Code Analysis (PHP CS-Fixer)
-        if: matrix.code-analysis == 'yes'
-        run: php vendor/bin/php-cs-fixer fix --dry-run --diff
+        if: matrix.code-style == 'yes'
+        run: PHP_CS_FIXER_IGNORE_ENV=true php vendor/bin/php-cs-fixer fix --dry-run --diff
 
       - name: Code Analysis (PHPStan)
         if: matrix.code-analysis == 'yes'

lib/LibXMLException.php

@@ -33,7 +33,7 @@ class LibXMLException extends ParseException
      * @param LibXMLError[] $errors
      * @param Throwable     $previousException
      */
-    public function __construct(array $errors, int $code = 0, Throwable $previousException = null)
+    public function __construct(array $errors, int $code = 0, ?Throwable $previousException = null)
     {
         $this->errors = $errors;
         parent::__construct($errors[0]->message.' on line '.$errors[0]->line.', column '.$errors[0]->column, $code, $previousException);

lib/Reader.php

@@ -103,7 +103,7 @@ public function parse(): array
      * If the $elementMap argument is specified, the existing elementMap will
      * be overridden while parsing the tree, and restored after this process.
      */
-    public function parseGetElements(array $elementMap = null): array
+    public function parseGetElements(?array $elementMap = null): array
     {
         $result = $this->parseInnerTree($elementMap);
         if (!is_array($result)) {
@@ -126,7 +126,7 @@ public function parseGetElements(array $elementMap = null): array
      *
      * @return array|string|null
      */
-    public function parseInnerTree(array $elementMap = null)
+    public function parseInnerTree(?array $elementMap = null)
     {
         $text = null;
         $elements = [];

lib/Service.php

@@ -109,7 +109,7 @@ public function getWriter(): Writer
      *
      * @return array|object|string
      */
-    public function parse($input, string $contextUri = null, string &$rootElementName = null)
+    public function parse($input, ?string $contextUri = null, ?string &$rootElementName = null)
     {
         if (is_resource($input)) {
             // Unfortunately the XMLReader doesn't support streams. When it
@@ -153,7 +153,7 @@ public function parse($input, string $contextUri = null, string &$rootElementNam
      *
      * @return array|object|string
      */
-    public function expect($rootElementName, $input, string $contextUri = null)
+    public function expect($rootElementName, $input, ?string $contextUri = null)
     {
         if (is_resource($input)) {
             // Unfortunately the XMLReader doesn't support streams. When it
@@ -204,7 +204,7 @@ public function expect($rootElementName, $input, string $contextUri = null)
      *
      * @return string
      */
-    public function write(string $rootElementName, $value, string $contextUri = null)
+    public function write(string $rootElementName, $value, ?string $contextUri = null)
     {
         $w = $this->getWriter();
         $w->openMemory();
@@ -266,7 +266,7 @@ public function mapValueObject(string $elementName, string $className)
      *
      * @throws \InvalidArgumentException
      */
-    public function writeValueObject($object, string $contextUri = null)
+    public function writeValueObject($object, ?string $contextUri = null)
     {
         if (!isset($this->valueObjectMap[get_class($object)])) {
             throw new \InvalidArgumentException('"'.get_class($object).'" is not a registered value object class. Register your class with mapValueObject.');

phpstan.neon

@@ -1,5 +1,6 @@
 parameters:
   level: 5
+  reportUnmatchedIgnoredErrors: false
   ignoreErrors:
     -
       message: '!Parameter #3 \$namespace of method XMLWriter::startElementNs\(\) expects string, null given.!'