Expired timestamp, yours 1562943663, ours 1571541735
OAuthRequest Object ( [parameters:OAuthRequest:private] => Array ( [oauth_version] => 1.0 [oauth_nonce] => 105f42e6f6c1f663ee375f5d401226de [oauth_timestamp] => 1562943663 [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=105f42e6f6c1f663ee375f5d401226de&oauth_timestamp=1562943663&oauth_consumer_key=key&oauth_token=requestkey&oauth_signature_method=PLAINTEXT&oauth_signature=secret%2526requestsecret [base_string] => )