Expired timestamp, yours 1552654729, ours 1553479542
OAuthRequest Object ( [parameters:OAuthRequest:private] => Array ( [oauth_version] => 1.0 [oauth_nonce] => 48f470a9a10d25d177a92b124d72d276 [oauth_timestamp] => 1552654729 [oauth_consumer_key] => key [method] => foo%20bar [bar] => baz [oauth_token] => accesskey [oauth_signature_method] => HMAC-SHA1 [oauth_signature] => K7gtPy4oF+JCEHHM6LzQA1dgKws= ) [http_method:OAuthRequest:private] => GET [http_url:OAuthRequest:private] => http://term.ie/oauth/example/echo_api.php?oauth_version=1.0&oauth_nonce=48f470a9a10d25d177a92b124d72d276&oauth_timestamp=1552654729&oauth_consumer_key=key&method=foo%2520bar&bar=baz&oauth_token=accesskey&oauth_signature_method=HMAC-SHA1&oauth_signature=K7gtPy4oF%2BJCEHHM6LzQA1dgKws%3D [base_string] => )