<?php
namespace app\core\utils;

class Helper {
    public static function date($date) {
        if (is_null($date))
            return false;

        $date = \DateTime::createFromFormat('m/d/Y', $date);
        
        if (!$date)
            return false; // throw new \Exception("Invalid date format!");
        return $date->format('Y-m-d');
    }

    public static function ucWords(string $str) {
        return mb_convert_case(mb_strtolower($str, 'UTF-8'), MB_CASE_TITLE, "UTF-8");
    }

    public static function lowerCase(string $str) {
        return mb_strtolower(utf8_encode($str), 'UTF-8');
    } 
}