<?php

//匹配手机号的正则表达式 #^(13[0-9]|14[47]|15[0-35-9]|17[6-8]|18[0-9])([0-9]{8})$#

$arr = array(

    130,131,132,133,134,135,136,137,138,139,

    144,147,

    150,151,152,153,155,156,157,158,159,

    176,177,178,

    180,181,182,183,184,185,186,187,188,189,

);

for($i = 0; $i < 100; $i++) {

    $tmp[] = $arr[array_rand($arr)].' '.mt_rand(1000,9999).''.mt_rand(1000,9999);

}

$my_phone_num=array_unique($tmp);

foreach($my_phone_num as $val){

    $sjs=createRandomStr(4);

    echo  "u".substr_replace($val,$sjs,3,5)."<br/>";

}

//生成随机大写字母

function createRandomStr($length){

    $str = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';//26个字符

    $strlen = 26;

    while($length > $strlen){

        $str .= $str;

        $strlen += 26;

    }

    $str = str_shuffle($str);

    return substr($str,0,$length);

}

?>