/**
* Send one header.
*
* @return bool: Headers sent
*/
public static function sendHeaders()
{
// headers already sent
if (headers_sent($sFilename, $iLinenum)) {
Days_Log::add("Headers not sent such as sended in file '{$sFilename}' on line {$iLinenum}");
return false;
}
// on Ajax query
if (Days_Request::isAjax()) {
// JSON encoded data
Header('Content-Type: text/javascript; charset=UTF-8');
Header('Content-type: application/json; charset=UTF-8');
self::_sendHeadersNocache();
return true;
}
// send special headers only
foreach (self::$_aHeaders as $sType => $sValue) {
switch ((string) $sType) {
case self::NOT_FOUND:
Header('HTTP/1.0 404 Not Found');
return true;
break;
case '403':
Header('HTTP/1.1 403 Forbidden');
return true;
break;
case self::PREV_PAGE:
// redirect on previous page
self::_sendHeadersRedirect(Days_Url::prev());
return true;
break;
case self::REDIRECT:
case self::RELOAD:
self::_sendHeadersRedirect($sValue);
return true;
break;
}
}
// send all additional headers
foreach (self::$_aHeaders as $sType => $sValue) {
// send header info
switch ((string) $sType) {
case 'htm':
case 'html':
case 'xhtml':
Header('Content-Type: text/html; charset=UTF-8');
self::_sendHeadersNocache();
break;
case 'xml':
Header("Content-Type: text/xml; charset=UTF-8");
self::_sendHeadersNocache();
break;
case 'wml':
Header('Content-Type: text/vnd.wap.wml; charset=UTF-8');
self::_sendHeadersNocache();
break;
case 'json':
Header('Content-Type: text/javascript; charset=UTF-8');
self::_sendHeadersNocache();
break;
case 'js':
Header('Content-type: application:x-javascript; charset=UTF-8');
self::_sendHeadersNocache();
break;
case 'jpg':
case 'jpeg':
Header("Content-Type: image/jpeg");
self::_sendHeadersNocache();
break;
case 'gif':
Header("Content-Type: image/gif");
self::_sendHeadersNocache();
break;
case 'png':
Header("Content-Type: image/png");
self::_sendHeadersNocache();
break;
}
}
// all headers sent
return true;
}
