<?php defined( 'ABSPATH' ) or die( "No script kiddies please!" );
class InstaWCD{
    function userID(){
        $username = strtolower($this->username); // sanitization
        $token = $this->access_token;

        if(!empty($username) && !empty($token)) {
            $url = "https://api.instagram.com/v1/users/search?q=".$username."&access_token=".$token;
            $get = wp_remote_get($url);
            $response = wp_remote_retrieve_body( $get );
            $json = json_decode($response);
            if(isset($json->data)){
                foreach($json->data as $user){
                    if($user->username == $username){
                        return $user->id;
                    }
                }
            }
            return '00000000'; // return this if nothing is found
        }
    }

    function get_remote_data_from_instagram_in_json($url){
        $content = wp_remote_get( $url );
        if(isset($content->errors)){
            $content = json_encode(array('meta'=>array('error_message'=>$content->errors['http_request_failed']['0'])));
            $content = json_decode($content, true);
            return $content;
        }else{
            $response = wp_remote_retrieve_body( $content );
            $json = json_decode( $response, true );
            return $json;
        }
    }

    /**
     * get the user media
     * @return json
     */
    function userMedia(){
      //  $url = 'https://api.instagram.com/v1/users/'.$this->userID().'/media/recent/?access_token='.$this->access_token;
        $url = 'https://api.instagram.com/v1/users/self/media/recent/?access_token=' . $this->access_token;
        $json = self::get_remote_data_from_instagram_in_json( $url );
        return $json;
    }

    //retrive user info
    function userInfo(){
        //$url = 'https://api.instagram.com/v1/users/' . $this->userID() . '?access_token=' . $this->access_token;
        $url = 'https://api.instagram.com/v1/users/self/?access_token=' . $this->access_token;
        $json = self:: get_remote_data_from_instagram_in_json( $url );
        return $json;
    }
}
$insta = new InstaWCD();
$insta->username = $username;
$insta->access_token = $access_token;