Expired timestamp, yours 1581688142, ours 1582463938
OAuthRequest Object ( [parameters:OAuthRequest:private] => Array ( [oauth_version] => 1.0 [oauth_nonce] => 45848c4f2f806fd508411ab0b42bb803 [oauth_timestamp] => 1581688142 [oauth_consumer_key] => key [oauth_token] => requestkey [oauth_signature_method] => HMAC-SHA1 [oauth_signature] => oEqxeMU3XpTUxDTEazvv6B2nva8= ) [http_method:OAuthRequest:private] => GET [http_url:OAuthRequest:private] => http://term.ie/oauth/example/access_token.php?oauth_version=1.0&oauth_nonce=45848c4f2f806fd508411ab0b42bb803&oauth_timestamp=1581688142&oauth_consumer_key=key&oauth_token=requestkey&oauth_signature_method=HMAC-SHA1&oauth_signature=oEqxeMU3XpTUxDTEazvv6B2nva8%3D [base_string] => )