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register_prefilter() — dynamically register prefilters


void register_prefilter(mixed function);

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.

The php-function callback function can be either:

  • A string containing the function name

  • An array of the form array(&$object, $method) with &$object being a reference to an object and $method being a string containing the method-name

  • An array of the form array($class, $method) with $class being the class name and $method being a method of the class.

Technical Note

If the chosen function callback is of the form array(&$object, $method), only one instance of the same class and with the same $method can be registered. The latest registered function callback will be used in such a scenario.

See also unregister_prefilter(), register_postfilter(), register_ouputfilter(), load_filter(), $autoload_filters and template output filters section.

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