public static function get($add_coins = false, $init_feebee_account = false)
 {
     if (self::$SINGLETON == NULL) {
         self::$SINGLETON = new w_coins($add_coins, $init_feebee_account);
     }
     return self::$SINGLETON;
 }
<?php

require_once 'coins_class.php';
$my_coins_names = "";
$init_feebee_account = "";
//Only needed if you want add your own coins
//The array must dividable through 3 otherwise you get a error
$my_coins_names = "Bitcoin,Bitcrystal,Bitcrystalx,BitQuark,Litecoin,Dogecoin";
$my_coins_names = explode(",", $my_coins_names);
$init_feebee_account = false;
$my_coins = w_coins::get($my_coins_names, $init_feebee_account);