php采集类snoopy类

CLASSMETHODS: fetch($URI) ----------- Thisisthemethodusedforfetchingthecontentsofawebpage. $URIisthefullyqualifiedURLofthepagetofetch. Theresultsofthefetcharestoredin$this->results. Ifyouarefetchingframes,then$this->results containseachframefetchedinanarr