rilwis/meta-box

<?php
/**
 * String helper functions.
 */
class RWMB_Helpers_String {
    public static function title_case( string $text ) : string {
        $text = str_replace( [ '-', '_' ], ' ', $text );
        $text = ucwords( $text );
        $text = str_replace( ' ', '_', $text );

        return $text;
    }
}