Object-oriented flow wrapper PHP library

<?php
namespace Streamer;
class FileStream extends Stream
{
    public static function create($filename, $mode, $use_include_path = false, $context = null)
    {
        $type = gettype($context);
        if($type == 'resource') {
            return new self(fopen($filename, $mode, $use_include_path, $context));
        }
        return new static(fopen($filename, $mode, $use_include_path));
    }
}

Object Oriented (OO) is a software development method. Object-oriented concepts and applications have transcended programming and software development and expanded to fields such as database systems, interactive interfaces, application structures, application platforms, distributed systems, network management structures, CAD technology, artificial intelligence and other fields. Object-oriented is a method of understanding and abstracting the real world. It is the product of the development of computer programming technology to a certain stage.