How to Retrieve Input data in joomla?

How to Retrieve Input data in joomla?

Use jinput Method

you can use this code

$jinput = JFactory::getApplication()->input;

Get the Value using jinput

$name = $jinput->get('varname', 'default_value', 'filter');

Get Multiple value

Retrieve multiple values you can use getarray() method:

$fooValues = $jinput->getArray(array('var1' => '', 'var2' => '', 'var3' => ''));