(Yaf >=1.0.0) The clearLocalNamespace purpose

(Yaf >=1.0.0) The getMethod purpose public

(Yaf >=2.1.4) Get the application directory

(Yaf >=1.0.0) Switch on/off exception catching

(Yaf >=1.0.0) The __clone purpose private

(Yaf >=1.0.0) The setHeader purpose public

(Yaf >=1.0.0) The isOptions purpose public

(Yaf >=1.0.0) The preResponse purpose public

(Yaf >=1.0.0) The __sleep purpose private

(Yaf >=1.0.0) Set value to engine public void