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Anonymous
8 years ago
The regex in http_digest_parse from Example #2 does not work for me (PHP 5.2.6), because back references are not allowed in a character class.  This worked for me:

<?php

// function to parse the http auth header
function http_digest_parse($txt)
{
  
// protect against missing data
  
$needed_parts = array('nonce'=>1, 'nc'=>1, 'cnonce'=>1, 'qop'=>1, 'username'=>1, 'uri'=>1, 'response'=>1);
  
$data = array();

  
preg_match_all('@(\w+)=(?:(?:\'([^\']+)\'|"([^"]+)")|([^\s,]+))@', $txt, $matches, PREG_SET_ORDER);

   foreach (
$matches as $m) {
      
$data[$m[1]] = $m[2] ? $m[2] : ($m[3] ? $m[3] : $m[4]);
       unset(
$needed_parts[$m[1]]);
   }

   return
$needed_parts ? false : $data;
}

?>

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