User good class

User.php

<?php

class UserRequest {
  protected static $rules = [
    'name' => 'string',
    'email' => 'string'
  ];
  public static function validate($data){
    foreach(static::$rules as $property => $type){
      if (gettype($data[$property]) != $type) 
        throw new \Exception("User Property {$property} Must Be Of Type {$type}");
    }
  }
}

class Json{
  public static function from($data){
    return json_encode($data);
  }
}

class User {
  public $name;
  public $email; 
  
  public function __construct($data) {
    $this->name = $data['name'];
    $this->email = $data['email']; 
  }
}
?>