Description:
------------
Making a curl GET request takes aprox 30 secs and pins the CPU
Relates to php-5.4.25-Win32-VC9-x86.zip & php-5.4.23-Win32-VC9-x86.zip
Test code run from the command line (php test.php)
Tested using local DNS and remote DNS on various XP SP3 machines at 2 locations
These machines do not support IPV6
Perl equivalent code run on these machines returns promptly
Dig returns promptly
NSLOOKUP returns promptly
PHP 5 on Windows 7 using same DNS & network returns promptly


Test script:
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$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "http://windows.php.net/");
curl_setopt($ch, CURLOPT_FAILONERROR, true); 
curl_setopt($ch, CURLOPT_VERBOSE, true); 
curl_exec($ch);
var_export( curl_getinfo($ch)); 


Expected result:
----------------
3-5 secs max.

Actual result:
--------------
  'total_time' => 30.734000000000002,
  'namelookup_time' => 27.920999999999999,
  'connect_time' => 27.952999999999999,
  'pretransfer_time' => 27.952999999999999,

CPU pinned to 100% for duration of script