如果编译函数和普通函数都注册了同一个名字，则编译函数具有优先使用权。

If there is both a compiler function and a custom function registered under the same name, the compiler function has precedence.

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注册一个在模板编译之前执行的预过滤器。如何设立预过滤函数，请查看模板预过滤器。

Use this to dynamically register prefilters to run templates through before they are compiled. See template prefilters for more information on how to setup a prefiltering function.

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动态注册一个编译函数插件，前两个参数是编译函数的名称、执行函数的名称。

Use this to dynamically register a compiler function plugin. Pass in the compiler function name, followed by the PHP function that implements it.

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动态注册一个编译函数插件，前两个参数是编译函数的名称、执行函数的名称。

Use this to dynamically register a compiler function plugin. Pass in the compiler function name, followed by the PHP function that implements it.

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