Online PHP editor | refs for Cg7gG

<?php function removeLowerCharBeforeUpperChar(string $input): string { $output = ''; $length = strlen($input); for ($offset = 0; $offset < $length; ++$offset) { $currentOrd = ord($input[$offset]); $nextOrd = ord($input[$offset + 1] ?? '_'); if ($currentOrd < 97 || $currentOrd > 122 || $nextOrd < 65 || $nextOrd > 90 ){ $output .= $input[$offset]; } } return $output; } echo removeLowerCharBeforeUpperChar('MickMacKusa');