Usage of session() method in thinkPHP-PHP Tutorial-php.cn

Usage of session() method in thinkPHP

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Release： 2023-03-30 13:00:01

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This article mainly introduces the usage of the session() method in thinkPHP, and analyzes the functions, parameters, specific usage methods and related precautions of the session method in thinkPHP in the form of examples. Friends in need can refer to it

The example in this article describes the usage of the session() method in thinkPHP. Share it with everyone for your reference, the details are as follows:

The system provides complete support for Session management and operation, and all operations can be completed through a built-in session function.

Usage

session(name,name,value=&#39;&#39;)

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##Parameters

name (required): If an array is passed in, it means session initialization. If null is passed in, it means clearing the current session. If it is a string, it means session assignment, acquisition or operation.

Value (optional): The session value to be set. If null is passed in, it means deleting the session. The default is the empty string

session initialization setting

If The name parameter of the session method is passed into the array to indicate the session initialization settings, for example:

session(array(&#39;name&#39;=>&#39;session_id&#39;,&#39;expire&#39;=>3600));

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After initialization, the system will automatically start the session. If you do not want If the system automatically starts the session, you can set SESSION_AUTO_START to false

For example:

&#39;SESSION_AUTO_START&#39; =>false

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After turning off automatic startup, you can use the project's public files or control Start the session by manually calling session_start or session('[start]') in the server.

session assignment

session(&#39;name&#39;,&#39;value&#39;); //设置session

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session value

$value = session(&#39;name&#39;);

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session deletion

session(&#39;name&#39;,null); // 删除name

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To delete all sessions, you can use:

session(null); // 清空当前的session

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session judgment

To judge whether a session value has been set, you can use

session(&#39;?name&#39;);

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Used to determine whether the session value named name has been set

session management

The session method supports some simple session management Operation, the usage is as follows:

session(&#39;[操作名]&#39;);
session(&#39;[pause]&#39;); // 暂停session写入
session(&#39;[start]&#39;); // 启动session
session(&#39;[destroy]&#39;); // 销毁session
session(&#39;[regenerate]&#39;); // 重新生成session id

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php comes with the function session_unset. The function is to clear (release) all SESSION (session) variables. If you need to clear a certain session variable, you should use

unset($_SESSION[&#39;var&#39;]);

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