<?php

declare(strict_types=1);

namespace app\common\library;

/**
 * 马来西亚手机号（60 国际前缀，不含 +）
 */
class MalaysiaMobilePhone
{
    public const PATTERN = '/^60(1[0-9])\d{7,9}$/';

    public static function isValid(string $phone): bool
    {
        return $phone !== '' && preg_match(self::PATTERN, $phone) === 1;
    }

    public static function maskInNickname(string $text): string
    {
        $masked = preg_replace_callback(
            self::PATTERN,
            static fn(array $matches): string => substr($matches[0], 0, 3) . '****' . substr($matches[0], -4),
            $text
        );

        return is_string($masked) ? $masked : $text;
    }
}