Creates a group of checkboxes that allow rules such as required, minimum length (minimum number of items that must be checked) and maximum length (maximum number of items that can be checked). The list of checkbox values are specified in an array along with their default ticked state.

$a_checkArray=array(
array('title'=>'Cheese','checked'=>false),
array('title'=>'Grapes','checked'=>true),
array('title'=>'Salad','checked'=>false),
array('title'=>'Bread','checked'=>true)
);
$o_fe_checkgroup        = new FormItBuilder_elementCheckboxGroup('favFoods','Favorite Foods',$a_checkArray);
//Ensure at least 2 checkboxes are selected
$a_formRules[] = new FormRule(FormRuleType::minimumLength,$o_fe_checkgroup,2);
//Ensure no more than 3 checkboxes are selected
$a_formRules[] = new FormRule(FormRuleType::maximumLength,$o_fe_checkgroup,3);

Parameters