in legacy/php/urlinfo.php [70:85]
protected function buildHeaders($list) {
$params = array(
'host' => self::$ServiceEndpoint,
'x-amz-date' => $this->amzDate
);
ksort($params);
$keyvalue = array();
foreach($params as $k => $v) {
if ($list)
$keyvalue[] = $k . ':' . $v;
else {
$keyvalue[] = $k;
}
}
return ($list) ? implode("\n",$keyvalue) . "\n" : implode(';',$keyvalue) ;
}