Online PHP editor | output for E4utb

<?php echo Locale::getDisplayRegion('-CZ', 'en-US') . "\n"; echo Locale::getDisplayRegion('-CZ', 'de-DE') . "\n"; echo Locale::getDisplayRegion('-AT', 'en-US') . "\n"; echo Locale::getDisplayRegion('-AT', 'de-DE') . "\n"; echo Locale::getDisplayRegion('-EG', 'fr-FR') . "\n"; echo Locale::getDisplayRegion('-EG', 'fr-CH') . "\n";