smarty
Array( [0] => Array ( [0] => 1 [id] => 1 [1] => 设置 [name] => 设置 [2] => 0 [parentid] => 0 [child] => Array ( [0] => Array ( [0] => 20 [id] => 20 [1] => 管理员管理 [name] => 管理员管理 [2] => 1 [parentid] => 1 [child] => Array ( [0] => Array ( [0] => 23 [id] => 23 [1] => 角色管理 [name] => 角色管理 [2] => 20 [parentid] => 20 ) [1] => Array ( [0] => 22 [id] => 22 [1] => 管理员管理 [name] => 管理员管理 [2] => 20 [parentid] => 20 ) ) ) [1] => Array ( [0] => 19 [id] => 19 [1] => 相关设置 [name] => 相关设置 [2] => 1 [parentid] => 1 [child] => Array ( [0] => Array ( [0] => 25 [id] => 25 [1] => 模型管理 [name] => 模型管理 [2] => 19 [parentid] => 19 ) [1] => Array ( [0] => 24 [id] => 24 [1] => 菜单管理 [name] => 菜单管理 [2] => 19 [parentid] => 19 ) [2] => Array ( [0] => 21 [id] => 21 [1] => 基本设置 [name] => 基本设置 [2] => 19 [parentid] => 19 ) ) ) ) )
<{foreach from=$arr item=m}> ID: <{$m.id}> <{$m.name}> <{$m.id}><br> <{foreach from=$m.child item=item}> <{$item.name}> <{$item.id}><br> <{foreach from=$item.child item=items}> <{$items.name}> <{$items.id}><br> <{/foreach}> <{/foreach}> <{/foreach}>
如何遍历多维数组呢? 如果再有下级,smarty 应该如何遍历无限多?
回复讨论(解决方案)
你需要递归遍历数组,以下面的例子为参考,自己改个smarty版的
function bianli($array){ foreach($array as $value){ if(is_array($value)){ bianli($value); }else{ echo $value."\n"; } } } $a=array('A','B',array('c','d',array('e','f')),'g'); echo bianli($a);
不考虑用:smarty 实现递归了
用php递归实现
smarty只实现了一些基础的功能,高级功能需要写插件
smarty只实现了一些基础的功能,高级功能需要写插件
是
已经结贴给分了

Effective methods to prevent session fixed attacks include: 1. Regenerate the session ID after the user logs in; 2. Use a secure session ID generation algorithm; 3. Implement the session timeout mechanism; 4. Encrypt session data using HTTPS. These measures can ensure that the application is indestructible when facing session fixed attacks.

Implementing session-free authentication can be achieved by using JSONWebTokens (JWT), a token-based authentication system where all necessary information is stored in the token without server-side session storage. 1) Use JWT to generate and verify tokens, 2) Ensure that HTTPS is used to prevent tokens from being intercepted, 3) Securely store tokens on the client side, 4) Verify tokens on the server side to prevent tampering, 5) Implement token revocation mechanisms, such as using short-term access tokens and long-term refresh tokens.

The security risks of PHP sessions mainly include session hijacking, session fixation, session prediction and session poisoning. 1. Session hijacking can be prevented by using HTTPS and protecting cookies. 2. Session fixation can be avoided by regenerating the session ID before the user logs in. 3. Session prediction needs to ensure the randomness and unpredictability of session IDs. 4. Session poisoning can be prevented by verifying and filtering session data.

To destroy a PHP session, you need to start the session first, then clear the data and destroy the session file. 1. Use session_start() to start the session. 2. Use session_unset() to clear the session data. 3. Finally, use session_destroy() to destroy the session file to ensure data security and resource release.

How to change the default session saving path of PHP? It can be achieved through the following steps: use session_save_path('/var/www/sessions');session_start(); in PHP scripts to set the session saving path. Set session.save_path="/var/www/sessions" in the php.ini file to change the session saving path globally. Use Memcached or Redis to store session data, such as ini_set('session.save_handler','memcached'); ini_set(

TomodifydatainaPHPsession,startthesessionwithsession_start(),thenuse$_SESSIONtoset,modify,orremovevariables.1)Startthesession.2)Setormodifysessionvariablesusing$_SESSION.3)Removevariableswithunset().4)Clearallvariableswithsession_unset().5)Destroythe

Arrays can be stored in PHP sessions. 1. Start the session and use session_start(). 2. Create an array and store it in $_SESSION. 3. Retrieve the array through $_SESSION. 4. Optimize session data to improve performance.

PHP session garbage collection is triggered through a probability mechanism to clean up expired session data. 1) Set the trigger probability and session life cycle in the configuration file; 2) You can use cron tasks to optimize high-load applications; 3) You need to balance the garbage collection frequency and performance to avoid data loss.


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