src/Preference/Matched/MatchedPreferenceComparator.php
private function compareVariant(MatchedPreferenceInterface $lValue, MatchedPreferenceInterface $rValue)
    {
        return strcasecmp($lValue->getVariant(), $rValue->getVariant());
    }
private function compareVariant(MatchedPreferenceInterface $lValue, MatchedPreferenceInterface $rValue)
    {
        return strcasecmp($lValue->getVariant(), $rValue->getVariant());
    }
private function compareVariant ( MatchedPreferenceInterface $ lValue , MatchedPreferenceInterface $ rValue ) { return strcasecmp ( $ lValue -> getVariant ( ) , $ rValue -> getVariant ( ) ) ; }
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@param MatchedPreferenceInterface $lValue
@param MatchedPreferenceInterface $rValue

@return int -1, 0, 1 (see usort() callback for meaning)
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