$sf_request->getUriPrefix().$sf_request->getRelativeUrlRoot().$sf_request->getPathInfoPrefix();
In symfony version 1.4
$request->getUriPrefix().$request->getRelativeUrlRoot().$request->getPathInfoPrefix();
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$sf_request->getUriPrefix().$sf_request->getRelativeUrlRoot().$sf_request->getPathInfoPrefix();
In symfony version 1.4
$request->getUriPrefix().$request->getRelativeUrlRoot().$request->getPathInfoPrefix();