Expired timestamp, yours 1518536117, ours 1537740888
OAuthRequest Object ( [parameters:protected] => Array ( [oauth_consumer_key] => key [oauth_nonce] => 523c6ee4ac4dcef73ac398587773f28c [oauth_signature] => b+nhmJcBcIm7uINp+JBvsRKhnqk= [oauth_signature_method] => HMAC-SHA1 [oauth_timestamp] => 1518536117 [oauth_version] => 1.0 ) [http_method:protected] => GET [http_url:protected] => http://oauthbin.com:/v1/request-token?oauth_consumer_key=key&oauth_nonce=523c6ee4ac4dcef73ac398587773f28c&oauth_signature=b%2BnhmJcBcIm7uINp%2BJBvsRKhnqk%3D&oauth_signature_method=HMAC-SHA1&oauth_timestamp=1518536117&oauth_version=1.0 [base_string] => )