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references:joomla.framework:application:japplication-getuserstatefromrequest

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getUserStateFromRequest

API Package Subpackage Class Method Reference Last reviewed Doc status
API Home Package Joomla.Framework Subpackage Application Class JApplication Method getUserStateFromRequest Reference getUserStateFromRequest() Never Work in Progress

Gets the value of the user state variable. The method will first check the specified variable in the request to see if a new value has been specified. If it has been, then the value of the state variable is updated and the new value is returned. If it has not, then the stored value is returned. If there is no value specified in the request and no existing session value, then the specified default value is returned. User state variables are stored with the session and are persistent between requests.

Syntax

mixed getUserStateFromRequest ( $key, $request, $default, $type )

$key string is a string containing the key of the user state variable.
$request string is a string containing the name of the variable passed in a request.
$default mixed is a variable containing the default value for the variable if not found. This parameter is optional and if omitted defaults to null.
$type string Filter for the variable, for valid values see JInputFilter::clean. This parameter is optional and if omitted defaults to ‘none’.

Examples

Example

global $mainframe;

$filter_order = $mainframe->getUserStateFromRequest( "$option.viewbanners.filter_order", 'filter_order', 'b.bid' );

will retrieve the value of the specified state variable from the request variable ‘filter_order’. If this variable has not been set and it is not specified in a request variable, then the variable will be set to ‘b.bid’ and this value will be returned.

 
references/joomla.framework/application/japplication-getuserstatefromrequest.txt (1557 views) · Last modified: 2007/08/15 14:50
 
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