public function and_(HTML_QuickForm2_Rule $next)
    {
        if ($next instanceof HTML_QuickForm2_Rule_Required) {
            throw new HTML_QuickForm2_InvalidArgumentException(
                'and_(): Cannot add a "required" rule'
            );
        }
        $this->chainedRules[count($this->chainedRules) - 1][] = $next;
        return $this;
    }
public function and_(HTML_QuickForm2_Rule $next)
    {
        if ($next instanceof HTML_QuickForm2_Rule_Required) {
            throw new HTML_QuickForm2_InvalidArgumentException(
                'and_(): Cannot add a "required" rule'
            );
        }
        $this->chainedRules[count($this->chainedRules) - 1][] = $next;
        return $this;
    }
public function and_ ( HTML_QuickForm2_Rule $ next ) { if ( $ next instanceof HTML_QuickForm2_Rule_Required ) { throw new HTML_QuickForm2_InvalidArgumentException ( 'and_(): Cannot add a "required" rule' ) ; } $ this -> chainedRules [ count ( $ this -> chainedRules ) - 1 ] [ ] = $ next ; return $ this ; }
Adds a rule to the chain with an "and" operator

Evaluation is short-circuited, next rule will not be evaluated if the
previous one returns false. The method is named this way because "and" is
a reserved word in PHP.

@param    HTML_QuickForm2_Rule
@return   HTML_QuickForm2_Rule    first rule in the chain (i.e. $this)
@throws   HTML_QuickForm2_InvalidArgumentException    when trying to add
a "required" rule to the chain
Adds a rule to the chain with an and operator