Expired timestamp, yours 1518575816, ours 1539662034
OAuthRequest Object ( [parameters:protected] => Array ( [oauth_consumer_key] => key [oauth_nonce] => 073a5bb35b3d8d9dee1ba46fb1d6d151 [oauth_signature] => secret&requestsecret [oauth_signature_method] => PLAINTEXT [oauth_timestamp] => 1518575816 [oauth_token] => requestkey [oauth_version] => 1.0 ) [http_method:protected] => GET [http_url:protected] => http://oauthbin.com:/v1/access-token?oauth_consumer_key=key&oauth_nonce=073a5bb35b3d8d9dee1ba46fb1d6d151&oauth_signature=secret%26requestsecret&oauth_signature_method=PLAINTEXT&oauth_timestamp=1518575816&oauth_token=requestkey&oauth_version=1.0 [base_string] => )