Expired timestamp, yours 1507866228, ours 1508634276
OAuthRequest Object ( [parameters:OAuthRequest:private] => Array ( [oauth_version] => 1.0 [oauth_nonce] => e49d88650ee74e0df3dff9f95a0e6693 [oauth_timestamp] => 1507866228 [oauth_consumer_key] => key [oauth_token] => requestkey [oauth_signature_method] => HMAC-SHA1 [oauth_signature] => mgFzt/UHMXx0CPwtB/hwzh2pamQ= ) [http_method:OAuthRequest:private] => GET [http_url:OAuthRequest:private] => http://term.ie/oauth/example/access_token.php?oauth_version=1.0&oauth_nonce=e49d88650ee74e0df3dff9f95a0e6693&oauth_timestamp=1507866228&oauth_consumer_key=key&oauth_token=requestkey&oauth_signature_method=HMAC-SHA1&oauth_signature=mgFzt%2FUHMXx0CPwtB%2Fhwzh2pamQ%3D [base_string] => )