Changed:

- used `$this->getRequestValue($request, 'foo', <bar>)` instead of `$request['foo'] ?? <bar>`
- fixed wrong variable naming
- changed double-quotes to single
- see https://github.com/friendica/friendica/issues/11631#issuecomment-1196410497

src/Module/Api/Friendica/DirectMessages/Search.php

@@ -77,7 +77,7 @@ class Search extends BaseApi
 		} else {
 			$ret = [];
 			foreach ($mails as $mail) {
-				$ret[] = $this->directMessage->createFromMailId($mail['id'], $uid, $request['getText'] ?? '');
+				$ret[] = $this->directMessage->createFromMailId($mail['id'], $uid, $this->getRequestValue($request, 'getText', ''));
 			}
 			$success = ['success' => true, 'search_results' => $ret];
 		}

src/Module/Api/Friendica/Group/Delete.php

@@ -44,7 +44,7 @@ class Delete extends BaseApi
 		// params
 
 		// error if no gid specified
-		if ($request['gid'] == 0 || $request['name'] == "") {
+		if ($request['gid'] == 0 || $request['name'] == '') {
 			throw new BadRequestException('gid or name not specified');
 		}
 

src/Module/Api/Friendica/Notification/Seen.php

@@ -47,7 +47,7 @@ class Seen extends BaseApi
 			throw new BadRequestException('Invalid argument count');
 		}
 
-		$id = intval($request['id'] ?? 0);
+		$id = intval($this->getRequestValue($request, 'id', 0));
 
 		$include_entities = $this->getRequestValue($request, 'include_entities', false);