OAuth Verification Failed

[GoogleCodeExporter]

1.I use this tuto to creating a PHP OAuth Server 
http://www.sitepoint.com/creating-a-php-oauth-server/


2.i use oauth library https://code.google.com/p/oauth-php


i have a problem when sending request on request_token.php


this is :

OAuth Verification Failed: Verification of signature failed (signature base 
string was 
"GET&http%3A%2F%2Flocalhost%2Ftroop%2Frequest_token.php&oauth_consumer_key%3De3e
09e1915f7f42e8ac83e643e11a8250534fd9a2%26oauth_timestamp%3D15563%26oauth_verifie
r%3D122"). with  Array
(
    [0] => 6cbaffc03341f12219601079fe2cd2f2
    [1] => 
    [2] => 
)

please any information about this problem

Original issue reported on code.google.com by abdellah...@gmail.com on 20 Apr 2014 at 4:40