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Why use it?
Use Cases and Work Flow
Syntax Comparison
Template Inheritance
Best Practices
Crash Course
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Name
register_prefilter() — dynamically register prefilters
Description
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
nameAn array of the form
array(&$object, $method)with&$objectbeing a reference to an object and$methodbeing a string containing the method-nameAn array of the form
array($class, $method)with$classbeing the class name and$methodbeing a method of the class.
Technical Note
If the chosen function callback is of the form
array(&$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.