Expired timestamp, yours 1518575816, ours 1539661775
OAuthRequest Object ( [parameters:protected] => Array ( [oauth_consumer_key] => key [oauth_nonce] => 0756db5a65e7431d542dfbe62860ac80 [oauth_signature] => secret& [oauth_signature_method] => PLAINTEXT [oauth_timestamp] => 1518575816 [oauth_version] => 1.0 ) [http_method:protected] => GET [http_url:protected] => http://oauthbin.com:/v1/request-token?oauth_consumer_key=key&oauth_nonce=0756db5a65e7431d542dfbe62860ac80&oauth_signature=secret%26&oauth_signature_method=PLAINTEXT&oauth_timestamp=1518575816&oauth_version=1.0 [base_string] => )