Expired timestamp, yours 1549938387, ours 1550332606
OAuthRequest Object ( [parameters:OAuthRequest:private] => Array ( [oauth_version] => 1.0 [oauth_nonce] => 98c167289245bf1b4e471510d32809e2 [oauth_timestamp] => 1549938387 [oauth_consumer_key] => key [method] => foo%20bar [bar] => baz [oauth_token] => accesskey [oauth_signature_method] => PLAINTEXT [oauth_signature] => secret%26accesssecret ) [http_method:OAuthRequest:private] => GET [http_url:OAuthRequest:private] => http://term.ie/oauth/example/echo_api.php?oauth_version=1.0&oauth_nonce=98c167289245bf1b4e471510d32809e2&oauth_timestamp=1549938387&oauth_consumer_key=key&method=foo%2520bar&bar=baz&oauth_token=accesskey&oauth_signature_method=PLAINTEXT&oauth_signature=secret%2526accesssecret [base_string] => )