PHP - urlencode / urldecode example

urlencode
    
        $url = 'https://google.com/search?q=hello world';
        echo urlencode($url);
        // output
        // https%3A%2F%2Fgoogle.com%2Fsearch%3Fq%3Dhello+world
    
urldecode
    
        $url = 'https%3A%2F%2Fgoogle.com%2Fsearch%3Fq%3Dhello+world';
        echo urldecode($url);
        // output
        // https://google.com/search?q=hello world