note 66335 deleted from function.getallheaders by didou

Note Submitter: tigr at mail15 dot com 

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And even better one, that absolutely mimics getallheaders behaviour (including keynames - first character in each word is uppercase and words separated with '-' instead of underscore), and still does not use regexp:
<?php
function emu_getallheaders() {
   foreach($_SERVER as $name => $value)
       if(substr($name, 0, 5) == 'HTTP_')
           $headers[str_replace(' ', '-', ucwords(strtolower(str_replace('_', ' ', substr($name, 5)))))] = $value;
   return $headers;
}
?>