Expired timestamp, yours 1500336970, ours 1511441821
OAuthRequest Object ( [parameters:OAuthRequest:private] => Array ( [oauth_version] => 1.0 [oauth_nonce] => f797ba17e6acec492b2a00a11ab99f2c [oauth_timestamp] => 1500336970 [oauth_consumer_key] => key [oauth_token] => requestkey [oauth_signature_method] => HMAC-SHA1 [oauth_signature] => 2C5vC5mP9Xp2/PsQruJ2ndkEcEI= ) [http_method:OAuthRequest:private] => GET [http_url:OAuthRequest:private] => http://term.ie/oauth/example/access_token.php?oauth_version=1.0&oauth_nonce=f797ba17e6acec492b2a00a11ab99f2c&oauth_timestamp=1500336970&oauth_consumer_key=key&oauth_token=requestkey&oauth_signature_method=HMAC-SHA1&oauth_signature=2C5vC5mP9Xp2%2FPsQruJ2ndkEcEI%3D [base_string] => )