Fix implicit marking of parameters as nullable, deprecated in PHP 8.4

src/Client.php

@@ -572,7 +572,7 @@ public function getFolderByPath($folder_path, bool $utf7 = false, bool $soft_fai
      * @throws ResponseException
      * @throws RuntimeException
      */
-    public function getFolders(bool $hierarchical = true, string $parent_folder = null, bool $soft_fail = false): FolderCollection {
+    public function getFolders(bool $hierarchical = true, ?string $parent_folder = null, bool $soft_fail = false): FolderCollection {
         $this->checkConnection();
         $folders = FolderCollection::make([]);
 
@@ -618,7 +618,7 @@ public function getFolders(bool $hierarchical = true, string $parent_folder = nu
      * @throws RuntimeException
      * @throws ResponseException
      */
-    public function getFoldersWithStatus(bool $hierarchical = true, string $parent_folder = null, bool $soft_fail = false): FolderCollection {
+    public function getFoldersWithStatus(bool $hierarchical = true, ?string $parent_folder = null, bool $soft_fail = false): FolderCollection {
         $this->checkConnection();
         $folders = FolderCollection::make([]);
 
@@ -793,7 +793,7 @@ public function getFolderPath(): string {
      * @throws RuntimeException
      * @throws ResponseException
      */
-    public function Id(array $ids = null): array {
+    public function Id(?array $ids = null): array {
         $this->checkConnection();
         return $this->connection->ID($ids)->validatedData();
     }

src/ClientManager.php

@@ -74,7 +74,7 @@ public function make(array $config): Client {
      * @return Client
      * @throws Exceptions\MaskNotFoundException
      */
-    public function account(string $name = null): Client {
+    public function account(?string $name = null): Client {
         $name = $name ?: $this->config->getDefaultAccount();
 
         // If the connection has not been resolved we will resolve it now as all

src/Connection/Protocols/ImapProtocol.php

@@ -67,7 +67,7 @@ public function __destruct() {
      *
      * @throws ConnectionFailedException
      */
-    public function connect(string $host, int $port = null): bool {
+    public function connect(string $host, ?int $port = null): bool {
         $transport = 'tcp';
         $encryption = '';
 
@@ -362,7 +362,7 @@ private function stringifyArray(array $arr): string {
      * @return Response
      * @throws RuntimeException
      */
-    public function sendRequest(string $command, array $tokens = [], string &$tag = null): Response {
+    public function sendRequest(string $command, array $tokens = [], ?string &$tag = null): Response {
         if (!$tag) {
             $this->noun++;
             $tag = 'TAG' . $this->noun;
@@ -955,7 +955,7 @@ public function folders(string $reference = '', string $folder = '*'): Response
      * @throws RuntimeException
      */
     public function store(
-        array|string $flags, int $from, int $to = null, string $mode = null, bool $silent = true, int|string $uid = IMAP::ST_UID, string $item = null
+        array|string $flags, int $from, ?int $to = null, ?string $mode = null, bool $silent = true, int|string $uid = IMAP::ST_UID, ?string $item = null
     ): Response {
         $flags = $this->escapeList(is_array($flags) ? $flags : [$flags]);
         $set = $this->buildSet($from, $to);
@@ -995,7 +995,7 @@ public function store(
      * @throws ImapServerErrorException
      * @throws RuntimeException
      */
-    public function appendMessage(string $folder, string $message, array $flags = null, string $date = null): Response {
+    public function appendMessage(string $folder, string $message, ?array $flags = null, ?string $date = null): Response {
         $tokens = [];
         $tokens[] = $this->escapeString($folder);
         if ($flags !== null) {
@@ -1025,7 +1025,7 @@ public function appendMessage(string $folder, string $message, array $flags = nu
      * @throws ImapServerErrorException
      * @throws RuntimeException
      */
-    public function copyMessage(string $folder, $from, int $to = null, int|string $uid = IMAP::ST_UID): Response {
+    public function copyMessage(string $folder, $from, ?int $to = null, int|string $uid = IMAP::ST_UID): Response {
         $set = $this->buildSet($from, $to);
         $command = $this->buildUIDCommand("COPY", $uid);
 
@@ -1071,7 +1071,7 @@ public function copyManyMessages(array $messages, string $folder, int|string $ui
      * @throws ImapServerErrorException
      * @throws RuntimeException
      */
-    public function moveMessage(string $folder, $from, int $to = null, int|string $uid = IMAP::ST_UID): Response {
+    public function moveMessage(string $folder, $from, ?int $to = null, int|string $uid = IMAP::ST_UID): Response {
         $set = $this->buildSet($from, $to);
         $command = $this->buildUIDCommand("MOVE", $uid);
 

src/Connection/Protocols/LegacyProtocol.php

@@ -55,7 +55,7 @@ public function __destruct() {
      * @param string $host
      * @param int|null $port
      */
-    public function connect(string $host, int $port = null): void {
+    public function connect(string $host, ?int $port = null): void {
         if ($this->encryption) {
             $encryption = strtolower($this->encryption);
             if ($encryption == "ssl") {
@@ -360,7 +360,7 @@ public function sizes(int|array $uids, int|string $uid = IMAP::ST_UID): Response
      *
      * @return Response message number for given message or all messages as array
      */
-    public function getUid(int $id = null): Response {
+    public function getUid(?int $id = null): Response {
         return $this->response()->wrap(function($response) use ($id) {
             /** @var Response $response */
             if ($id === null) {
@@ -455,7 +455,7 @@ public function folders(string $reference = '', string $folder = '*'): Response
      *
      * @return Response new flags if $silent is false, else true or false depending on success
      */
-    public function store(array|string $flags, int $from, int $to = null, string $mode = null, bool $silent = true, int|string $uid = IMAP::ST_UID, string $item = null): Response {
+    public function store(array|string $flags, int $from, ?int $to = null, ?string $mode = null, bool $silent = true, int|string $uid = IMAP::ST_UID, ?string $item = null): Response {
         $flag = trim(is_array($flags) ? implode(" ", $flags) : $flags);
 
         return $this->response()->wrap(function($response) use ($mode, $from, $flag, $uid, $silent) {
@@ -491,7 +491,7 @@ public function store(array|string $flags, int $from, int $to = null, string $mo
      *
      * @return Response
      */
-    public function appendMessage(string $folder, string $message, array $flags = null, mixed $date = null): Response {
+    public function appendMessage(string $folder, string $message, ?array $flags = null, mixed $date = null): Response {
         return $this->response("imap_append")->wrap(function($response) use ($folder, $message, $flags, $date) {
             /** @var Response $response */
             if ($date != null) {
@@ -522,7 +522,7 @@ public function appendMessage(string $folder, string $message, array $flags = nu
      *
      * @return Response
      */
-    public function copyMessage(string $folder, $from, int $to = null, int|string $uid = IMAP::ST_UID): Response {
+    public function copyMessage(string $folder, $from, ?int $to = null, int|string $uid = IMAP::ST_UID): Response {
         return $this->response("imap_mail_copy")->wrap(function($response) use ($from, $folder, $uid) {
             /** @var Response $response */
 
@@ -572,7 +572,7 @@ public function copyManyMessages(array $messages, string $folder, int|string $ui
      *
      * @return Response success
      */
-    public function moveMessage(string $folder, $from, int $to = null, int|string $uid = IMAP::ST_UID): Response {
+    public function moveMessage(string $folder, $from, ?int $to = null, int|string $uid = IMAP::ST_UID): Response {
         return $this->response("imap_mail_move")->wrap(function($response) use ($from, $folder, $uid) {
             if (\imap_mail_move($this->stream, $from, $this->getAddress() . $folder, $uid ? IMAP::ST_UID : IMAP::NIL)) {
                 return [

src/EncodingAliases.php

@@ -474,7 +474,7 @@ class EncodingAliases {
      *
      * @return string
      */
-    public static function get(?string $encoding, string $fallback = null): string {
+    public static function get(?string $encoding, ?string $fallback = null): string {
         if (isset(self::$aliases[strtolower($encoding ?? '')])) {
             return self::$aliases[strtolower($encoding ?? '')];
         }

src/Folder.php

@@ -331,7 +331,7 @@ public function move(string $new_name, bool $expunge = true): array {
      * @throws MessageNotFoundException
      * @throws ResponseException
      */
-    public function overview(string $sequence = null): array {
+    public function overview(?string $sequence = null): array {
         $this->client->openFolder($this->path);
         $sequence = $sequence === null ? "1:*" : $sequence;
         $uid = $this->client->getConfig()->get('options.sequence', IMAP::ST_MSGN);
@@ -353,7 +353,7 @@ public function overview(string $sequence = null): array {
      * @throws AuthFailedException
      * @throws ResponseException
      */
-    public function appendMessage(string $message, array $options = null, Carbon|string $internal_date = null): array {
+    public function appendMessage(string $message, ?array $options = null, Carbon|string|null $internal_date = null): array {
         /**
          * Check if $internal_date is parsed. If it is null it should not be set. Otherwise, the message can't be stored.
          * If this parameter is set, it will set the INTERNALDATE on the appended message. The parameter should be a

src/Message.php

@@ -212,7 +212,7 @@ class Message {
      * @throws RuntimeException
      * @throws ResponseException
      */
-    public function __construct(int $uid, ?int $msglist, Client $client, int $fetch_options = null, bool $fetch_body = false, bool $fetch_flags = false, int $sequence = null) {
+    public function __construct(int $uid, ?int $msglist, Client $client, ?int $fetch_options = null, bool $fetch_body = false, bool $fetch_flags = false, ?int $sequence = null) {
         $this->boot($client->getConfig());
 
         $default_mask = $client->getDefaultMessageMask();
@@ -319,7 +319,7 @@ public static function make(int $uid, ?int $msglist, Client $client, string $raw
      * @throws ResponseException
      * @throws RuntimeException
      */
-    public static function fromFile(string $filename, Config $config = null): Message {
+    public static function fromFile(string $filename, ?Config $config = null): Message {
         $blob = file_get_contents($filename);
         if ($blob === false) {
             throw new RuntimeException("Unable to read file");
@@ -344,7 +344,7 @@ public static function fromFile(string $filename, Config $config = null): Messag
      * @throws ResponseException
      * @throws RuntimeException
      */
-    public static function fromString(string $blob, Config $config = null): Message {
+    public static function fromString(string $blob, ?Config $config = null): Message {
         $reflection = new ReflectionClass(self::class);
         /** @var Message $instance */
         $instance = $reflection->newInstanceWithoutConstructor();
@@ -375,7 +375,7 @@ public static function fromString(string $blob, Config $config = null): Message
      * Boot a new instance
      * @param ?Config $config
      */
-    public function boot(Config $config = null): void {
+    public function boot(?Config $config = null): void {
         $this->attributes = [];
         $this->client = null;
         $this->config = $config ?? Config::make();
@@ -985,7 +985,7 @@ public function getFolder(): ?Folder {
      * @throws RuntimeException
      * @throws ResponseException
      */
-    public function thread(Folder $sent_folder = null, MessageCollection &$thread = null, Folder $folder = null): MessageCollection {
+    public function thread(?Folder $sent_folder = null, ?MessageCollection &$thread = null, ?Folder $folder = null): MessageCollection {
         $thread = $thread ?: MessageCollection::make();
         $folder = $folder ?: $this->getFolder();
         $sent_folder = $sent_folder ?: $this->client->getFolderByPath($this->config->get("options.common_folders.sent", "INBOX/Sent"));
@@ -1205,7 +1205,7 @@ protected function fetchNewMail(Folder $folder, int $next_uid, string $event, bo
      * @throws RuntimeException
      * @throws ResponseException
      */
-    public function delete(bool $expunge = true, string $trash_path = null, bool $force_move = false): bool {
+    public function delete(bool $expunge = true, ?string $trash_path = null, bool $force_move = false): bool {
         $status = $this->setFlag("Deleted");
         if ($force_move) {
             $trash_path = $trash_path === null ? $this->config["common_folders"]["trash"] : $trash_path;
@@ -1480,7 +1480,7 @@ public function getStructure(): ?Structure {
      * @param null|Message $message
      * @return boolean
      */
-    public function is(Message $message = null): bool {
+    public function is(?Message $message = null): bool {
         if (is_null($message)) {
             return false;
         }
@@ -1687,7 +1687,7 @@ public function setUid(int $uid): Message {
      *
      * @return Message
      */
-    public function setMsgn(int $msgn, int $msglist = null): Message {
+    public function setMsgn(int $msgn, ?int $msglist = null): Message {
         $this->msgn = $msgn;
         $this->msglist = $msglist;
         $this->uid = null;
@@ -1718,7 +1718,7 @@ public function getSequenceId(): int {
      * @param $uid
      * @param int|null $msglist
      */
-    public function setSequenceId($uid, int $msglist = null): void {
+    public function setSequenceId($uid, ?int $msglist = null): void {
         if ($this->getSequence() === IMAP::ST_UID) {
             $this->setUid($uid);
             $this->setMsglist($msglist);

src/Part.php

@@ -153,7 +153,7 @@ class Part {
      *
      * @throws InvalidMessageDateException
      */
-    public function __construct(string $raw_part, Config $config, Header $header = null, int $part_number = 0) {
+    public function __construct(string $raw_part, Config $config, ?Header $header = null, int $part_number = 0) {
         $this->raw = $raw_part;
         $this->config = $config;
         $this->header = $header;

src/Query/WhereQuery.php

@@ -171,7 +171,7 @@ protected function push_search_criteria(string $criteria, mixed $value): void {
      *
      * @return $this
      */
-    public function orWhere(Closure $closure = null): static {
+    public function orWhere(?Closure $closure = null): static {
         $this->query->push(['OR']);
         if ($closure !== null) $closure($this);
 
@@ -183,7 +183,7 @@ public function orWhere(Closure $closure = null): static {
      *
      * @return $this
      */
-    public function andWhere(Closure $closure = null): static {
+    public function andWhere(?Closure $closure = null): static {
         $this->query->push(['AND']);
         if ($closure !== null) $closure($this);