Expired timestamp, yours 1555336068, ours 1556058522
OAuthRequest Object ( [parameters:protected] => Array ( [oauth_consumer_key] => key [oauth_nonce] => e67b1c7440e33bd31837c5cb8e40529c [oauth_signature] => ZB3Yu9RJsY30AxtJgomqbZ4LEJY= [oauth_signature_method] => HMAC-SHA1 [oauth_timestamp] => 1555336068 [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=e67b1c7440e33bd31837c5cb8e40529c&oauth_signature=ZB3Yu9RJsY30AxtJgomqbZ4LEJY%3D&oauth_signature_method=HMAC-SHA1&oauth_timestamp=1555336068&oauth_token=requestkey&oauth_version=1.0 [base_string] => )