Expired timestamp, yours 1568262728, ours 1568529017
OAuthRequest Object ( [parameters:OAuthRequest:private] => Array ( [oauth_version] => 1.0 [oauth_nonce] => 2fcce4755727dfe189c3198ac3994c09 [oauth_timestamp] => 1568262728 [oauth_consumer_key] => key [method] => foo%20bar [bar] => baz [oauth_token] => accesskey [oauth_signature_method] => HMAC-SHA1 [oauth_signature] => UhtfaO5CYDcq7/Il8ZDv+qxGBRg= ) [http_method:OAuthRequest:private] => GET [http_url:OAuthRequest:private] => http://term.ie/oauth/example/echo_api.php?oauth_version=1.0&oauth_nonce=2fcce4755727dfe189c3198ac3994c09&oauth_timestamp=1568262728&oauth_consumer_key=key&method=foo%2520bar&bar=baz&oauth_token=accesskey&oauth_signature_method=HMAC-SHA1&oauth_signature=UhtfaO5CYDcq7%2FIl8ZDv%2BqxGBRg%3D [base_string] => )