姓名、手机号数据脱敏

<?php

function hideName($name)
{

    $nameStrlen = mb_strlen($name, 'utf-8');              // 计算姓名长度
    $name    =    mb_substr($name, -1, 1, 'utf-8');       // 截取姓名最后一位

    $newName = str_repeat("*", $nameStrlen - 1)  . $name;
    return $newName;
}

function hideTel($tel)
{
    $telStrlen = mb_strlen($tel,'utf-8');
    $telThree = mb_substr($tel,0,3);
    $telTwo = mb_substr($tel,-2,2);

    $newTel =  $telThree . str_repeat("*",$telStrlen - 5) . $telTwo;
    return $newTel;
}