class MySQL extends DB{
 private static $instance=null;
 public static function getInstance(){
  if(self::$instance==null){
   self::$instance=new MySQL();
  }
  return self::$instance;
 }
 public function MySQL(){
  
  /*Config*/
  $this->IP='*';
  $this->ServerID='*';
  $this->ServerPassword='*';
  $this->DataBaseName='*';
  /*End of Config*/
  
  $this->connection=mysqli_connect($this->IP,$this->ServerID,$this->ServerPassword,$this->DataBaseName);
  
  if(!$this->connection){
   die('Could not connect'.$this->connection);
  }
  
  mysqli_query($this->connection,'set names utf8');
 }

 public function Execute($sql){
  return mysqli_query($this->connection,$sql); 
 }

 public function Query($sql){
  $result=mysqli_query($this->connection,$sql);
  $arr=array();
  while($row=mysqli_fetch_array($result)){
   $arr[]=$row;
  }
  return $arr;
 }
 public function Close(){
  mysqli_close($this->connection);
 }
}

$db=new MySQL();

$db=MySQL::getInstance();

class ServiceProvider{
 public function Write($arg){
  echo $arg;
 }
}

class Facade{
 public static function getInstance($classname,$args){
  return new $classname($args);
 }
 
 public static function getFacadeAccessor(){
  //
 }
 
 public static function __callstatic($method,$args){
  $instance=static::getInstance(static::getFacadeAccessor(),$args);
  return call_user_func_array(array($instance,$method),$args);
 }
}

class MyFacade extends Facade{
 public static function getFacadeAccessor(){
  return ServiceProvider::class;
 }
}

class Container{
 public $bindings;
 public function bind($abstract,$concrete){
  $this->bindings[$abstract]=$concrete;
 }
 public function make($abstract,$parameters=[]){
  return call_user_func_array($this->bindings[$abstract],$parameters);
 }
}

class Model implements IModel{
 public static $table;
 public static $container;
 
 public static $db;
 public function __construct(){
  self::$container=new Container();
  self::$container->bind('db',function(){
   return MySQL::getInstance();
  });
  
  self::$db=self::$container->make('db',[]);
 }
 
 public static function get($id){
  return self::where('id',$id);
 }
 
 public static function where($condition,$value){
  $sql=sprintf("select * from %s where %s='%s'",self::$table,$condition,$value);
  return self::$db->Query($sql);
 }

 public static function all(){
  $sql=sprintf("select * from %s",self::$table);
  return self::$db->Query($sql);
 }
}