Expired timestamp, yours 1515844713, ours 1524483968
OAuthRequest Object ( [parameters:OAuthRequest:private] => Array ( [oauth_version] => 1.0 [oauth_nonce] => 8a4324e227859914f56e4a68bab73140 [oauth_timestamp] => 1515844713 [oauth_consumer_key] => key [oauth_token] => requestkey [oauth_signature_method] => HMAC-SHA1 [oauth_signature] => NsdWcCTRqhH79ZhsMumBLcnC+Vs= ) [http_method:OAuthRequest:private] => GET [http_url:OAuthRequest:private] => http://term.ie/oauth/example/access_token.php?oauth_version=1.0&oauth_nonce=8a4324e227859914f56e4a68bab73140&oauth_timestamp=1515844713&oauth_consumer_key=key&oauth_token=requestkey&oauth_signature_method=HMAC-SHA1&oauth_signature=NsdWcCTRqhH79ZhsMumBLcnC%2BVs%3D [base_string] => )