PHP emulates user access to Web program code

function HttpGet ($url, $followredirects =true) {global $final _url;  $url _parsed = Parse_url ($url);  if (Emptyempty ($url _parsed[' scheme ')) {$url _parsed = Parse_url (' http://' $url);    } $final _url = $url _parsed;  $port = $url _parsed["Port"];    if (! $port) {$port =//www.php.cn} $rtn [' url '] [' port '] = $port;  $path = $url _parsed["path"];  if (Emptyempty ($path)) {$path = "/"; } if (!emptyempty ($url _parsed["Query"]) {$path. = "?".  $url _parsed["Query"];    } $rtn [' url '] [' path '] = $path;  $host = $url _parsed["host"];    $foundbody = false;  $out = "Get $path http/1.0";  $out. = "Host: $host"; $out. = "user-agent:mozilla/5.0 (Windows; U Windows NT 5.1; En-us;  rv:1.8.1) gecko/20061010 firefox/2.0 ";    $out. = "Connection:close";      if (! $fp = @fsockopen ($host, $port, $errno, $errstr,)) {$rtn [' errornumber '] = $errno;    $rtn [' errorstring '] = $errstr;  } fwrite ($fp, $out);  while (! @feof ($fp)) {$s = @fgets ($fp, 128);    if ($s = = "") {$foundbody = true;      Continue      } if ($foundbody) {$body. = $s; } else {if ($followredirects) && (Stristr ($s, "location:") = = False)) {$redirect = Preg              _replace ("/location:/i", "", $s);          Return HttpGet (Trim ($redirect));      } $header. = $s;    }} fclose ($FP); Return (Trim ($body));

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