Expired timestamp, yours 1552630584, ours 1568527184
OAuthRequest Object ( [parameters:OAuthRequest:private] => Array ( [oauth_version] => 1.0 [oauth_nonce] => a7588bdbfb63392807d07602f43153b3 [oauth_timestamp] => 1552630584 [oauth_consumer_key] => key [method] => foo%20bar [bar] => baz [oauth_token] => accesskey [oauth_signature_method] => HMAC-SHA1 [oauth_signature] => mxgT+XLDkA4i4vVaNK6dmULK4dY= ) [http_method:OAuthRequest:private] => GET [http_url:OAuthRequest:private] => http://term.ie/oauth/example/echo_api.php?oauth_version=1.0&oauth_nonce=a7588bdbfb63392807d07602f43153b3&oauth_timestamp=1552630584&oauth_consumer_key=key&method=foo%2520bar&bar=baz&oauth_token=accesskey&oauth_signature_method=HMAC-SHA1&oauth_signature=mxgT%2BXLDkA4i4vVaNK6dmULK4dY%3D [base_string] => )