load_filter
加载过滤器
void load_filter(string
type, string name)
This function can be used to load a filter plugin. The first
argument specifies the type of the filter to load and can be one of the
following: 'pre', 'post', or 'output'. The second argument specifies
the name of the filter plugin, for example, 'trim'.
这个函数用来加载过滤器插件。第一个参数指定过滤器的类型，只能是下列之一：“pre”，“post”，或者是“output”。第二个参数指定过
滤器插件的名称，比如“trim”。
Example 13-20. loading filter plugins
例子 13-20. 加载过滤器插件
$smarty->load_filter('pre', 'trim'); // load prefilter named 'trim'
$smarty->load_filter('pre', 'datefooter'); // load another prefilter named 'datefooter'
$smarty->load_filter('output', 'compress'); // load output filter named 'compress'
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