如何拆分三个不同的分隔符然后ucfirst每个结果[]？

$string = "hello-world,this_is_a_test,and_another_one";
$pattern = "/[-_,]/";
$result = preg_split($pattern, $string);

$result = array_map(function($word) {
    return ucfirst($word);
}, $result);

$finalResult = implode(",", $result);

$string = "hello-world,this_is_a_test,and_another_one";
$pattern = "/[-_,]/";
$result = preg_split($pattern, $string);

$result = array_map(function($word) {
    return ucfirst($word);
}, $result);

$finalResult = implode(",", $result);

echo $finalResult; // 输出：HelloWorld,ThisIsATest,AndAnotherOne