Expired timestamp, yours 1526519296, ours 1544747672
OAuthRequest Object ( [parameters:OAuthRequest:private] => Array ( [oauth_version] => 1.0 [oauth_nonce] => 3815bfade8fbbd25b5796c997084a41d [oauth_timestamp] => 1526519296 [oauth_consumer_key] => key [method] => foo%20bar [bar] => baz [oauth_token] => accesskey [oauth_signature_method] => HMAC-SHA1 [oauth_signature] => u3oKTb/XbFL7DcYfF58FWIcjFIE= ) [http_method:OAuthRequest:private] => GET [http_url:OAuthRequest:private] => http://term.ie/oauth/example/echo_api.php?oauth_version=1.0&oauth_nonce=3815bfade8fbbd25b5796c997084a41d&oauth_timestamp=1526519296&oauth_consumer_key=key&method=foo%2520bar&bar=baz&oauth_token=accesskey&oauth_signature_method=HMAC-SHA1&oauth_signature=u3oKTb%2FXbFL7DcYfF58FWIcjFIE%3D [base_string] => )