changelogger: Adjust for PHP 8.1 compat

.github/files/phpcompatibility-dev-phpcs.xml

@@ -7,6 +7,8 @@
 	<rule ref="PHPCompatibility">
 		<!-- Doesn't hurt anything, as long as we're also handling the non-Error case. -->
 		<exclude name="PHPCompatibility.Classes.NewClasses.errorFound" />
+		<!-- Doesn't hurt anything, earlier versions ignore attributes. -->
+		<exclude name="PHPCompatibility.Attributes.NewAttributes.Found" />
 		<!-- WordPress provides a polyfill. Feel free to add anything else normally excluded by PHPCompatibilityWP here if necessary. -->
 		<exclude name="PHPCompatibility.FunctionUse.NewFunctions.sodium_crypto_box_sealFound" />
 		<exclude name="PHPCompatibility.Classes.NewClasses.sodiumexceptionFound" />

projects/packages/changelogger/changelog/fix-changelogger-php-8.1

@@ -0,0 +1,4 @@
+Significance: patch
+Type: fixed
+
+Adjust for PHP 8.1 compatibility.

projects/packages/changelogger/lib/ChangeEntry.php

@@ -305,6 +305,7 @@ public function setContent( $content ) {
 	 *
 	 * @return array
 	 */
+	#[\ReturnTypeWillChange]
 	public function jsonSerialize() {
 		return array(
 			'__class__'    => static::class,

projects/packages/changelogger/lib/Changelog.php

@@ -145,6 +145,7 @@ public function getVersions() {
 	 *
 	 * @return array
 	 */
+	#[\ReturnTypeWillChange]
 	public function jsonSerialize() {
 		return array(
 			'__class__' => static::class,

projects/packages/changelogger/lib/ChangelogEntry.php

@@ -291,6 +291,7 @@ public function getChangesBySubheading( $subheading = null ) {
 	 *
 	 * @return array
 	 */
+	#[\ReturnTypeWillChange]
 	public function jsonSerialize() {
 		return array(
 			'__class__' => static::class,

projects/packages/changelogger/src/AddCommand.php

@@ -272,7 +272,7 @@ protected function execute( InputInterface $input, OutputInterface $output ) {
 					$question = new Question( "Changelog entry. May not be empty.\n > ", $entry );
 					$question->setValidator(
 						function ( $v ) {
-							if ( trim( $v ) === '' ) {
+							if ( trim( (string) $v ) === '' ) {
 								throw new \RuntimeException( 'An empty changelog entry is only allowed when the significance is "patch".' );
 							}
 							return $v;

projects/packages/changelogger/src/Application.php

@@ -18,7 +18,7 @@
  */
 class Application extends SymfonyApplication {
 
-	const VERSION = '3.0.1';
+	const VERSION = '3.0.2-alpha';
 
 	/**
 	 * Constructor.