Composed names > UPPERCASE to Capitalize-Capitalize Capitalize (PHP)

gistfile1.txt

$string = "BÉBÉ-ROSE CADUM CADUM";
$parts = explode("-", $string);

$output_parts = array();

foreach ($parts as $part) {
$output_parts[] = ucwords(mb_strtolower($part));
}

$string = implode("-", $output_parts);

print $string;