Online PHP editor | refs for UX8jn

<?php class LetterCounter { public static function CountLettersAsString(string $string) { $string = str_replace(" ", "", $string); $string = strtolower($string); $letters = str_split($string); foreach ($letters as $letter) { var_dump($letter); var_dump(array_filter($letters, function($key, $val) use ($letter) { return $val == $letter; }, ARRAY_FILTER_USE_BOTH)); } } } LetterCounter::CountLettersAsString("Test Gorilla");