Expired timestamp, yours 1518575470, ours 1519573332
OAuthRequest Object ( [parameters:OAuthRequest:private] => Array ( [oauth_version] => 1.0 [oauth_nonce] => 01b2b49a09bd1387d127b4e759022e4d [oauth_timestamp] => 1518575470 [oauth_consumer_key] => key [method] => foo%20bar [bar] => baz [oauth_token] => accesskey [oauth_signature_method] => HMAC-SHA1 [oauth_signature] => WwHDTyUP/GWM31R0MqrVhPuHek8= ) [http_method:OAuthRequest:private] => GET [http_url:OAuthRequest:private] => http://term.ie/oauth/example/echo_api.php?oauth_version=1.0&oauth_nonce=01b2b49a09bd1387d127b4e759022e4d&oauth_timestamp=1518575470&oauth_consumer_key=key&method=foo%2520bar&bar=baz&oauth_token=accesskey&oauth_signature_method=HMAC-SHA1&oauth_signature=WwHDTyUP%2FGWM31R0MqrVhPuHek8%3D [base_string] => )