Use native typing in more places and clean up 'FeedEnclosure' a bit.

12 files changed, 69 insertions, 109 deletions

diff --git a/classes/API.php b/classes/API.php
index 31a3bec97..241663b3d 100644
--- a/classes/API.php
+++ b/classes/API.php
@@ -14,8 +14,7 @@ class API extends Handler {
 	const E_OPERATION_FAILED = "E_OPERATION_FAILED";
 	const E_NOT_FOUND = "E_NOT_FOUND";
 
-	/** @var int|null */
-	private $seq;
+	private ?int $seq = null;
 
 	/**
 	 * @param array<int|string, mixed> $reply
diff --git a/classes/Config.php b/classes/Config.php
index 9d671215a..356f81391 100644
--- a/classes/Config.php
+++ b/classes/Config.php
@@ -252,17 +252,15 @@ class Config {
 		Config::HTTP_429_THROTTLE_INTERVAL => [ 3600,				Config::T_INT ]
 	];
 
-	/** @var Config|null */
-	private static $instance;
+	private static ?Config $instance = null;
 
 	/** @var array<string, array<bool|int|string>> */
-	private $params = [];
+	private array $params = [];
 
 	/** @var array<string, mixed> */
-	private $version = [];
+	private array $version = [];
 
-	/** @var Db_Migrations|null $migrations */
-	private $migrations;
+	private Db_Migrations $migrations;
 
 	public static function get_instance() : Config {
 		if (self::$instance == null)
diff --git a/classes/Db.php b/classes/Db.php
index 4331b662e..2d8511258 100644
--- a/classes/Db.php
+++ b/classes/Db.php
@@ -1,11 +1,8 @@
 <?php
-class Db
-{
-	/** @var Db $instance */
-	private static $instance;
+class Db {
+	private static ?Db $instance = null;
 
-	/** @var PDO|null $pdo */
-	private $pdo;
+	private ?PDO $pdo = null;
 
 	function __construct() {
 		ORM::configure(self::get_dsn());
diff --git a/classes/DiskCache.php b/classes/DiskCache.php
index c52759a75..70b8de173 100644
--- a/classes/DiskCache.php
+++ b/classes/DiskCache.php
@@ -1,10 +1,9 @@
 <?php
 class DiskCache implements Cache_Adapter {
-	/** @var Cache_Adapter $adapter */
-	private $adapter;
+	private Cache_Adapter $adapter;
 
 	/** @var array<string, DiskCache> $instances */
-	private static $instances = [];
+	private static array $instances = [];
 
 	/**
 	 * https://stackoverflow.com/a/53662733
diff --git a/classes/FeedEnclosure.php b/classes/FeedEnclosure.php
index b5f5cc411..6ef9bca5e 100644
--- a/classes/FeedEnclosure.php
+++ b/classes/FeedEnclosure.php
@@ -1,21 +1,11 @@
 <?php
 class FeedEnclosure {
-	/** @var string */
-	public $link;
-
-	/** @var string */
-	public $type;
-
-	/** @var string */
-	public $length;
-
-	/** @var string */
-	public $title;
-
-	/** @var string */
-	public $height;
-
-	/** @var string */
-	public $width;
+	function __construct(
+		public string $link = '',
+		public string $type = '',
+		public string $length = '',
+		public string $title = '',
+		public string $height = '',
+		public string $width = '',
+	) {}
 }
-
diff --git a/classes/FeedItem_Atom.php b/classes/FeedItem_Atom.php
index 234b96341..ad1bddc07 100644
--- a/classes/FeedItem_Atom.php
+++ b/classes/FeedItem_Atom.php
@@ -184,11 +184,11 @@ class FeedItem_Atom extends FeedItem_Common {
 				$base = $this->xpath->evaluate("string(ancestor-or-self::*[@xml:base][1]/@xml:base)", $link);
 
 				if ($link->getAttribute("rel") == "enclosure") {
-					$enc = new FeedEnclosure();
-
-					$enc->type = clean($link->getAttribute("type"));
-					$enc->length = clean($link->getAttribute("length"));
-					$enc->link = clean($link->getAttribute("href"));
+					$enc = new FeedEnclosure(
+						type: clean($link->getAttribute('type')),
+						length: clean($link->getAttribute('length')),
+						link: clean($link->getAttribute('href')),
+					);
 
 					if (!empty($base)) {
 						$enc->link = UrlHelper::rewrite_relative($base, $enc->link);
diff --git a/classes/FeedItem_Common.php b/classes/FeedItem_Common.php
index 1471dc3e3..5b30ab20c 100644
--- a/classes/FeedItem_Common.php
+++ b/classes/FeedItem_Common.php
@@ -1,19 +1,10 @@
 <?php
 abstract class FeedItem_Common extends FeedItem {
-	/** @var DOMElement */
-	protected $elem;
-
-	/** @var DOMDocument */
-	protected $doc;
-
-	/** @var DOMXPath */
-	protected $xpath;
-
-	function __construct(DOMElement $elem, DOMDocument $doc, DOMXPath $xpath) {
-		$this->elem = $elem;
-		$this->xpath = $xpath;
-		$this->doc = $doc;
-
+	function __construct(
+		protected readonly DOMElement $elem,
+		protected readonly DOMDocument $doc,
+		protected readonly DOMXPath $xpath,
+	) {
 		try {
 			$source = $elem->getElementsByTagName("source")->item(0);
 
@@ -97,13 +88,13 @@ abstract class FeedItem_Common extends FeedItem {
 		$enclosures = $this->xpath->query("media:content", $this->elem);
 
 		foreach ($enclosures as $enclosure) {
-			$enc = new FeedEnclosure();
-
-			$enc->type = clean($enclosure->getAttribute("type"));
-			$enc->link = clean($enclosure->getAttribute("url"));
-			$enc->length = clean($enclosure->getAttribute("length"));
-			$enc->height = clean($enclosure->getAttribute("height"));
-			$enc->width = clean($enclosure->getAttribute("width"));
+			$enc = new FeedEnclosure(
+				type: clean($enclosure->getAttribute('type')),
+				link: clean($enclosure->getAttribute('url')),
+				length: clean($enclosure->getAttribute('length')),
+				height: clean($enclosure->getAttribute('height')),
+				width: clean($enclosure->getAttribute('width')),
+			);
 
 			$medium = clean($enclosure->getAttribute("medium"));
 			if (!$enc->type && $medium) {
@@ -119,17 +110,17 @@ abstract class FeedItem_Common extends FeedItem {
 		$enclosures = $this->xpath->query("media:group", $this->elem);
 
 		foreach ($enclosures as $enclosure) {
-			$enc = new FeedEnclosure();
-
 			/** @var DOMElement|null */
 			$content = $this->xpath->query("media:content", $enclosure)->item(0);
 
 			if ($content) {
-				$enc->type = clean($content->getAttribute("type"));
-				$enc->link = clean($content->getAttribute("url"));
-				$enc->length = clean($content->getAttribute("length"));
-				$enc->height = clean($content->getAttribute("height"));
-				$enc->width = clean($content->getAttribute("width"));
+				$enc = new FeedEnclosure(
+					type: clean($content->getAttribute('type')),
+					link: clean($content->getAttribute('url')),
+					length: clean($content->getAttribute('length')),
+					height: clean($content->getAttribute('height')),
+					width: clean($content->getAttribute('width')),
+				);
 
 				$medium = clean($content->getAttribute("medium"));
 				if (!$enc->type && $medium) {
@@ -151,14 +142,12 @@ abstract class FeedItem_Common extends FeedItem {
 		$enclosures = $this->xpath->query("media:thumbnail", $this->elem);
 
 		foreach ($enclosures as $enclosure) {
-			$enc = new FeedEnclosure();
-
-			$enc->type = "image/generic";
-			$enc->link = clean($enclosure->getAttribute("url"));
-			$enc->height = clean($enclosure->getAttribute("height"));
-			$enc->width = clean($enclosure->getAttribute("width"));
-
-			array_push($encs, $enc);
+			$encs[] = new FeedEnclosure(
+				type: 'image/generic',
+				link: clean($enclosure->getAttribute('url')),
+				height: clean($enclosure->getAttribute('height')),
+				width: clean($enclosure->getAttribute('width')),
+			);
 		}
 
 		return $encs;
diff --git a/classes/FeedItem_RSS.php b/classes/FeedItem_RSS.php
index ab1764577..2970e43bd 100644
--- a/classes/FeedItem_RSS.php
+++ b/classes/FeedItem_RSS.php
@@ -141,15 +141,13 @@ class FeedItem_RSS extends FeedItem_Common {
 		$encs = array();
 
 		foreach ($enclosures as $enclosure) {
-			$enc = new FeedEnclosure();
-
-			$enc->type = clean($enclosure->getAttribute("type"));
-			$enc->link = clean($enclosure->getAttribute("url"));
-			$enc->length = clean($enclosure->getAttribute("length"));
-			$enc->height = clean($enclosure->getAttribute("height"));
-			$enc->width = clean($enclosure->getAttribute("width"));
-
-			array_push($encs, $enc);
+			$encs[] = new FeedEnclosure(
+				type: clean($enclosure->getAttribute('type')),
+				link: clean($enclosure->getAttribute('url')),
+				length: clean($enclosure->getAttribute('length')),
+				height: clean($enclosure->getAttribute('height')),
+				width: clean($enclosure->getAttribute('width')),
+			);
 		}
 
 		array_push($encs, ...parent::get_enclosures());
diff --git a/classes/FeedParser.php b/classes/FeedParser.php
index c288ffc91..fd26226ae 100644
--- a/classes/FeedParser.php
+++ b/classes/FeedParser.php
@@ -1,29 +1,23 @@
 <?php
 class FeedParser {
+	private DOMDocument $doc;
 
-	/** @var DOMDocument */
-	private $doc;
-
-	/** @var string|null */
-	private $error = null;
+	private ?string $error = null;
 
 	/** @var array<string> */
-	private $libxml_errors = [];
+	private array $libxml_errors = [];
 
 	/** @var array<FeedItem> */
-	private $items = [];
+	private array $items = [];
 
-	/** @var string|null */
-	private $link;
+	private ?string $link = null;
 
-	/** @var string|null */
-	private $title;
+	private ?string $title = null;
 
 	/** @var FeedParser::FEED_*|null */
-	private $type;
+	private ?int $type = null;
 
-	/** @var DOMXPath|null */
-	private $xpath;
+	private ?DOMXPath $xpath = null;
 
 	const FEED_UNKNOWN = -1;
 	const FEED_RDF = 0;
diff --git a/classes/Logger.php b/classes/Logger.php
index 049b63d5e..05a117a0b 100644
--- a/classes/Logger.php
+++ b/classes/Logger.php
@@ -1,10 +1,8 @@
 <?php
 class Logger {
-	/** @var Logger|null */
-	private static $instance;
+	private static ?Logger $instance = null;
 
-	/** @var Logger_Adapter|null */
-	private $adapter;
+	private ?Logger_Adapter $adapter = null;
 
 	const LOG_DEST_SQL = "sql";
 	const LOG_DEST_STDOUT = "stdout";
diff --git a/classes/Pref_Filters.php b/classes/Pref_Filters.php
index 46180e0cb..c73de05f0 100644
--- a/classes/Pref_Filters.php
+++ b/classes/Pref_Filters.php
@@ -13,7 +13,7 @@ class Pref_Filters extends Handler_Protected {
 	const MAX_ACTIONS_TO_DISPLAY = 3;
 
 	/** @var array<int,array<mixed>> $action_descriptions */
-	private $action_descriptions = [];
+	private array $action_descriptions = [];
 
 	function before(string $method) : bool {
 
diff --git a/classes/Prefs.php b/classes/Prefs.php
index f7e6e39c0..08f402d40 100644
--- a/classes/Prefs.php
+++ b/classes/Prefs.php
@@ -144,14 +144,12 @@ class Prefs {
 		Prefs::_PREFS_MIGRATED
 	];
 
-	/** @var Prefs|null */
-	private static $instance;
+	private static ?Prefs $instance = null;
 
 	/** @var array<string, bool|int|string> */
-	private $cache = [];
+	private array $cache = [];
 
-	/** @var PDO */
-	private $pdo;
+	private ?PDO $pdo = null;
 
 	public static function get_instance() : Prefs {
 		if (self::$instance == null)