<?php
namespace Shared\Helpers;

class Helpers
{
    public static function seo($str) { return $str; }
    public static function delete_dir($path) {}
    public static function alert($msg) {}
    public static function error($msg) {}
    public static function lang($key) { return $key; }
    public static function delete_session($key) { unset($_SESSION[$key]); }
    public static function htacces() {}
    public static function delete_cache() {}
    public static function get($key) { return null; }
    public static function set_message($msg) {}
    public static function clear_product_cache($id) {}
    public static function email_check($email) { return filter_var($email, FILTER_VALIDATE_EMAIL); }
    public static function get_session($key) { return $_SESSION[$key] ?? null; }
    public static function set_session($key, $value) { $_SESSION[$key] = $value; }
    public static function send_email($to, $subject, $body) { return true; }
    public static function remove_special_chars($str) { return str_ireplace(['\'', '"', ',', ';', '<', '>'], ' ', $str); }
    public static function normalize_decimal($val, $precision = 2) { return round((float)$val, $precision); }
    public static function is_array_fix($value) { return is_array($value) && count($value); }
}