Expired timestamp, yours 1544170500, ours 1544751220
OAuthRequest Object ( [parameters:OAuthRequest:private] => Array ( [oauth_version] => 1.0 [oauth_nonce] => 33927d0fb5b5ce7d2ca3e03488d7d1a9 [oauth_timestamp] => 1544170500 [oauth_consumer_key] => key [oauth_token] => requestkey [oauth_signature_method] => PLAINTEXT [oauth_signature] => secret%26requestsecret ) [http_method:OAuthRequest:private] => GET [http_url:OAuthRequest:private] => http://term.ie/oauth/example/access_token.php?oauth_version=1.0&oauth_nonce=33927d0fb5b5ce7d2ca3e03488d7d1a9&oauth_timestamp=1544170500&oauth_consumer_key=key&oauth_token=requestkey&oauth_signature_method=PLAINTEXT&oauth_signature=secret%2526requestsecret [base_string] => )