Question

问题第一：我是否以错误的方式解决这个问题？

如果在里面有一个有条件的话，我的每次制动都很困难。我写这个只是为了节省CPU时间，但我不能从我的foreach刹车。

我正在努力遵守Active Directory严格的密码执行，我不相信拥有最大长度的密码。我发现有些网站有最大长度要求。

foreach(count_chars($new_password, 1) as $key => $value){//Strength Test Results can be derived from $value
if(!ctype_upper(chr($key))){$check_upper=1;}//if Upper-case
if(!ctype_lower(chr($key))){$check_lower=1;}//if Lower-case
if(!ctype_digit(chr($key))){$check_digit=1;}//if Numeric
if(!ctype_punct(chr($key))){$check_punct=1;}//if Symbol
if($check_upper + $check_lower + $check_digit + $check_punct>= 3){
    break; 
    }//Save us from checking the entire string 
}

Answer 1

您使用了错误的关键字！它应该是break

foreach(count_chars($new_password, 1) as $key => $value){//Strength Test Results can be derived from $value
if(!ctype_upper(chr($key))){$check_upper=1;}//if Upper-case
if(!ctype_lower(chr($key))){$check_lower=1;}//if Lower-case
if(!ctype_digit(chr($key))){$check_digit=1;}//if Numeric
if(!ctype_punct(chr($key))){$check_punct=1;}//if Symbol
if($check_upper + $check_lower + $check_digit + $check_punct>= 3){
    break; 
    }//Save us from checking the entire string 
}

Answer 2

这很简单：break

刹车就像汽车一样。

http://php.net/manual/en/control-structures.break.php

PHP - 从循环中制动麻烦

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