Expired timestamp, yours 1552678373, ours 1553611169
OAuthRequest Object ( [parameters:protected] => Array ( [oauth_consumer_key] => key [oauth_nonce] => 04f6db41112fed93bffdd6ab7f116950 [oauth_signature] => secret& [oauth_signature_method] => PLAINTEXT [oauth_timestamp] => 1552678373 [oauth_version] => 1.0 ) [http_method:protected] => GET [http_url:protected] => http://oauthbin.com:/v1/request-token?oauth_consumer_key=key&oauth_nonce=04f6db41112fed93bffdd6ab7f116950&oauth_signature=secret%26&oauth_signature_method=PLAINTEXT&oauth_timestamp=1552678373&oauth_version=1.0 [base_string] => )