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In this instance, we have added a text parameter aparam. Parameters that we
define here are used in the Plugin Manager when we edit a plugin. This screenshot
demonstrates how the above parameter would be rendered:
A complete description of the types of parameters and how to define them in XML is
available in the Appendix.
Chapter 6
[ 161 ]
If we are using a JPlugin subclass, we access the defined parameters via the params
attribute within the class. The attribute is a JParameter object.
The most important methods we need to be aware of in the JParameter class are
def(), get(), and set().
We use def() to set a default value for a parameter if no value currently exists for it.
This example demonstrates how we would use the method to set a default value of
value for the parameter aparam:
$this->params->def('aparam', 'value');
We use get() to get the value of a parameter.


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