Smarty is a template engine for PHP that helps in separating presentation from logic. Smarty provides a set of built-in functions and modifiers that can be used to manipulate data in templates. One of these built-in functions is register_modifier, which can be used to register custom modifiers.
When you register a custom modifier using register_modifier, you can use it in Smarty templates to modify data.
Example:
function my_modifier($string, $arg1, $arg2) { // Custom modifier logic }
In this example, we register a custom modifier called "my_modifier", which accepts a string and two arguments. We can use this modifier in Smarty templates to modify strings.
Another example:
function uppercase($string) { return strtoupper($string); }
In this example, we register a custom modifier called "uppercase". This modifier accepts a string and returns the uppercase version of that string.
The package library for Smarty is "smarty/smarty".
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