Cookie usage example

Provides various official and user-released code examples. For code reference, you are welcome to learn about the cookie method, which is a built-in function of ThinkPHP for setting, obtaining, and deleting cookies.
Set Cookie ('name', 'value'); // sets the cookie
Cookie ('name', 'value', 3600); // specifies that the cookie is saved for 1 hour. Advanced Settings Cookie ('name', 'value', array ('expire '=> 3600, 'prefix' => 'think _'); // specify the validity period and prefix
// The following code is equivalent to the above Code
Cookie ('name', 'value', 'expire = 3600 & prefix = think _') Obtain $ Value = cookie ('name ');The cookie method automatically determines whether or not the prefix parameter is set.
Delete
Delete a cookie value. You can use: Cookie ('name', null );To clear the cookie, you can use: Cookie (null); // clear all cookie values with the specified prefix
Cookie (null, 'Think _ '); // clear all cookie values with the specified prefix

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