Expired timestamp, yours 1518575470, ours 1526907351
OAuthRequest Object ( [parameters:OAuthRequest:private] => Array ( [oauth_version] => 1.0 [oauth_nonce] => d51dbf779bcc626883c512d42f21cbb7 [oauth_timestamp] => 1518575470 [oauth_consumer_key] => key [oauth_token] => requestkey [oauth_signature_method] => HMAC-SHA1 [oauth_signature] => loQj7wG5XkYmJYf5gaTdAlumQhg= ) [http_method:OAuthRequest:private] => GET [http_url:OAuthRequest:private] => http://term.ie/oauth/example/access_token.php?oauth_version=1.0&oauth_nonce=d51dbf779bcc626883c512d42f21cbb7&oauth_timestamp=1518575470&oauth_consumer_key=key&oauth_token=requestkey&oauth_signature_method=HMAC-SHA1&oauth_signature=loQj7wG5XkYmJYf5gaTdAlumQhg%3D [base_string] => )