Mass update

_incl_data/class/Core/Database.php

@@ -1,34 +1,44 @@
 <?php
 
-# Let's hope it will work.
-
 namespace Core;
 
 use PDO;
 
 class Database
 {
-    private const DB = 'newcom1_abk';
-    private const USER = 'newcom1_abk';
-    private const PASSWORD = '4nWYsIM[c?}P';
-    private const DSN = 'mysql:host=localhost;dbname=' . self::DB;
+    private static self $instance;
+    protected static PDO $db;
 
-    //todo: remove PDO from files and connect through new pdoinit().
-    public static function init(): PDO
-    {
-
-        mysql_select_db(self::DB, mysql_connect('localhost', self::USER, self::PASSWORD));
+    /**
+     * Singleton.
+    */
+    private function __construct() {
+        mysql_select_db(Config::get('db_name'), mysql_connect('localhost', Config::get('db_user'), Config::get('db_password')));
         mysql_query('SET NAMES cp1251');
-
-        return self::pdoinit();
     }
 
+    /**
+     * Для совместимости со старыми функциями mysql_*.
+     * @return Database
+     */
+    public static function init(): Database
+    {
+        if (!isset(self::$instance)) {
+            self::$instance = new static();
+        }
+        return self::$instance;
+    }
+
+    /**
+     * Новое подключение к БД.
+     * @return PDO
+     */
     public static function pdoinit(): PDO
     {
         return new PDO(
-            self::DSN,
-            self::USER,
-            self::PASSWORD,
+            'mysql:host=localhost;dbname=' . Config::get('db_name'),
+            Config::get('db_user'),
+            Config::get('db_password'),
             [
                 PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
                 PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,