Expired timestamp, yours 1490060787, ours 1490757351
OAuthRequest Object ( [parameters:OAuthRequest:private] => Array ( [oauth_version] => 1.0 [oauth_nonce] => df1254f7b007258e487f31d6918dae2f [oauth_timestamp] => 1490060787 [oauth_consumer_key] => key [oauth_token] => requestkey [oauth_signature_method] => HMAC-SHA1 [oauth_signature] => IuGilJTzIwyawnExniNz5WTRHkg= ) [http_method:OAuthRequest:private] => GET [http_url:OAuthRequest:private] => http://term.ie/oauth/example/access_token.php?oauth_version=1.0&oauth_nonce=df1254f7b007258e487f31d6918dae2f&oauth_timestamp=1490060787&oauth_consumer_key=key&oauth_token=requestkey&oauth_signature_method=HMAC-SHA1&oauth_signature=IuGilJTzIwyawnExniNz5WTRHkg%3D [base_string] => )