(Yaf >=1.0.0) The __isset purpose public void

(Yaf >=1.0.0) The offsetUnset purpose public

(Yaf >=1.0.0) The key purpose public void

(Yaf >=1.0.0) The offsetSet purpose public

(Yaf >=1.0.0) The __construct purpose public

(Yaf >=1.0.0) The rewind purpose public void

(Yaf >=1.0.0) The __set purpose public void

(Yaf >=1.0.0) The readonly purpose public

(Yaf >=1.0.0) The valid purpose public void

(Yaf >=1.0.0) The offsetExists purpose public