Doc-comment: Use type aliases for arrays

Type aliases could be defined either globally (https://phpstan.org/writing-php-code/phpdoc-types#global-type-aliases) or just for a class.
I prefer having them at the place where they are created.

plugins/drivers/elastic.php

@@ -555,7 +555,7 @@ if (isset($_GET["elastic"])) {
 	}
 
 	/** Drop types
-	 * @param array
+	 * @param list<string>
 	 * @return bool
 	 */
 	function drop_tables($tables) {

plugins/login-servers.php

@@ -10,7 +10,7 @@ class AdminerLoginServers {
 	protected $servers;
 
 	/** Set supported servers
-	* @param array[] [$description => ["server" => , "driver" => "server|pgsql|sqlite|..."]]
+	* @param array{server:string, driver:string}[] [$description => ["server" => , "driver" => "server|pgsql|sqlite|..."]]
 	*/
 	function __construct($servers) {
 		$this->servers = $servers;

plugins/table-indexes-structure.php

@@ -9,7 +9,7 @@
 class AdminerTableIndexesStructure {
 
 	/** Print table structure in tabular format
-	* @param array[] data about all indexes on a table
+	* @param Index[] data about all indexes on a table
 	* @return bool
 	*/
 	function tableIndexesPrint($indexes) {

plugins/table-structure.php

@@ -9,7 +9,7 @@
 class AdminerTableStructure {
 
 	/** Print table structure in tabular format
-	* @param array[] data about individual fields
+	* @param Field[] data about individual fields
 	* @return bool
 	*/
 	function tableStructurePrint($fields, $tableStatus = null) {