PHP生成手机号码

//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 < 10; $i++) {
            $tmp[$i] = $arr[array_rand($arr)].mt_rand(1000,9999).mt_rand(1000,9999);
            $tmp[$i] = str_replace(substr($tmp[$i],3,4) , '****' , $tmp[$i]);
        }
        print_l(array_unique($tmp));