PHP_api接口教程(17)

if($this->_redirectaddr) {

/* url was redirected, check if we've hit the max depth */ if($this->maxredirs > $this->_redirectdepth) {

// only follow redirect if it's on this site, or offsiteok is true

if(preg_match("|^http://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok)

{

/* follow the redirect */ $this->_redirectdepth++;

$this->lastredirectaddr=$this->_redirectaddr; $this->fetch($this->_redirectaddr); } } }

if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0) {

$frameurls = $this->_frameurls; $this->_frameurls = array();

while(list(,$frameurl) = each($frameurls)) {

if($this->_framedepth < $this->maxframes) {

$this->fetch($frameurl); $this->_framedepth++; } else

break;

} }

return true; break; default:

// not a valid protocol $this->error = return false; break;

'Invalid protocol "'.$URI_PARTS["scheme"].'"\n';