/**
- 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 $new_tel;
} /**
- 中间加密 替换字符串的子串
*/
public static function encryptTel($tel) {
$new_tel = substr_replace($tel, '****', 3, 4); return $new_tel;
} /**
- 中间加密 用正则
*/
public static function encryptTel($tel) {
$new_tel = preg_replace('/(\d{3})\d{4}(\d{4})/', '$1****$2', $tel); return $new_tel;
}
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