Expired timestamp, yours 1528928056, ours 1542154227
OAuthRequest Object ( [parameters:OAuthRequest:private] => Array ( [oauth_version] => 1.0 [oauth_nonce] => 71533883316bd8f0ffb532dd2d4b58e3 [oauth_timestamp] => 1528928056 [oauth_consumer_key] => key [oauth_token] => requestkey [oauth_signature_method] => HMAC-SHA1 [oauth_signature] => zhRgtVt6RGFZchVERQHJf8eR17g= ) [http_method:OAuthRequest:private] => GET [http_url:OAuthRequest:private] => http://term.ie/oauth/example/access_token.php?oauth_version=1.0&oauth_nonce=71533883316bd8f0ffb532dd2d4b58e3&oauth_timestamp=1528928056&oauth_consumer_key=key&oauth_token=requestkey&oauth_signature_method=HMAC-SHA1&oauth_signature=zhRgtVt6RGFZchVERQHJf8eR17g%3D [base_string] => )