Expired timestamp, yours 1539285357, ours 1544394316
OAuthRequest Object ( [parameters:OAuthRequest:private] => Array ( [oauth_version] => 1.0 [oauth_nonce] => 16e6e6a63b1707aa6c75cb0161f3106e [oauth_timestamp] => 1539285357 [oauth_consumer_key] => key [oauth_token] => requestkey [oauth_signature_method] => HMAC-SHA1 [oauth_signature] => mYvDzLStoDjBeEs4oD1PEToTJic= ) [http_method:OAuthRequest:private] => GET [http_url:OAuthRequest:private] => http://term.ie/oauth/example/access_token.php?oauth_version=1.0&oauth_nonce=16e6e6a63b1707aa6c75cb0161f3106e&oauth_timestamp=1539285357&oauth_consumer_key=key&oauth_token=requestkey&oauth_signature_method=HMAC-SHA1&oauth_signature=mYvDzLStoDjBeEs4oD1PEToTJic%3D [base_string] => )