How to solve the Smarty3.0 user-defined function

There is no problem with the program running the Smarty3.0 custom function, but the prompt is: Notice: functioncall 'register _ function' isunknownordeprecated. inE: \ webphp \ Smarty \ sysplugins \ sma Smarty3.0 custom function
When the program runs normally, the system prompts: Notice: function call 'register _ function' is unknown or deprecated. in E: \ webphp \ Smarty \ sysplugins \ smarty_internal_wrapper.php on line 57.


Here is the registration function $ smarty-> register_function ('list', 'format _ data ');

According to other materials, this is a feature of smarty2.0. I am currently using 3.0. Please advise how to solve this problem.

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3.0 another method has been used to replace him,
Create a file name in smarty/libs/plugins
Reference address http://www.gxcxy.com/thread-5259-1-1.html
You can see
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Watching, haha
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3.0 if this method is used, an error is reported because the core library has deleted this method, but this method can still be used normally. the previous question is @ First suppress the error:
@ $ Smarty-> register_function ('list', 'format _ data ');


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Smarty3. * available, $ Smarty-> registerPlugin ()