PHP实现手机号码中间四位数替换成星号*
示例:
字符串截取法直线导轨滑台
|
1
2
3
4
5
6
7
|
/** * 中间加密 字符串截取法 */public static function encryptTel($tel) { $new_tel = substr($tel, 0, 3).'****'.substr($tel, 7); return $new_tel;} |
替换字符串
|
1
2
3
4
5
6
7
|
/** * 中间加密 替换字符串的子串 */public static function encryptTel($tel) { $new_tel = substr_replace($tel, '****', 3, 4); return $new_tel;} |
正则
|
1
2
3
4
5
6
7
|
/** * 中间加密 用正则 */public static function encryptTel($tel) { $new_tel = preg_replace('/(\d{3})\d{4}(\d{4})/', '$1****$2', $tel); return $new_tel;} |
浙公网安备 33010602011771号