WP - get and cache json

getAndCacheJson.php

function get_json($url,$id){
    $_url = $url.$id;
    $transient = get_transient( $_url );
    if(!empty($transient)){
        return $transient;
    }else{
        $request = wp_remote_get( $_url );

        if( is_wp_error( $request ) ) {
            return false; // Bail early
        }else{
            $body = wp_remote_retrieve_body( $request );
            $data = json_decode( $body , true);

            set_transient( $_url, $data, $expiration = 7200 );

            return $data;
        }
    }
}