function isRuleRegistered($name, $autoRegister = false)
    {
        if (is_scalar($name) && isset($GLOBALS['_HTML_QuickForm_registered_rules'][$name])) {
            return true;
        } elseif (!$autoRegister) {
            return false;
        }
        // automatically register the rule if requested
        include_once 'HTML/QuickForm/RuleRegistry.php';
        $ruleName = false;
        if (is_object($name) && is_a($name, 'html_quickform_rule')) {
            $ruleName = !empty($name->name)? $name->name: strtolower(get_class($name));
        } elseif (is_string($name) && class_exists($name)) {
            $parent = strtolower($name);
            do {
                if ('html_quickform_rule' == strtolower($parent)) {
                    $ruleName = strtolower($name);
                    break;
                }
            } while ($parent = get_parent_class($parent));
        }
        if ($ruleName) {
            $registry =& HTML_QuickForm_RuleRegistry::singleton();
            $registry->registerRule($ruleName, null, $name);
        }
        return $ruleName;
    }
function isRuleRegistered($name, $autoRegister = false)
    {
        if (is_scalar($name) && isset($GLOBALS['_HTML_QuickForm_registered_rules'][$name])) {
            return true;
        } elseif (!$autoRegister) {
            return false;
        }
        // automatically register the rule if requested
        include_once 'HTML/QuickForm/RuleRegistry.php';
        $ruleName = false;
        if (is_object($name) && is_a($name, 'html_quickform_rule')) {
            $ruleName = !empty($name->name)? $name->name: strtolower(get_class($name));
        } elseif (is_string($name) && class_exists($name)) {
            $parent = strtolower($name);
            do {
                if ('html_quickform_rule' == strtolower($parent)) {
                    $ruleName = strtolower($name);
                    break;
                }
            } while ($parent = get_parent_class($parent));
        }
        if ($ruleName) {
            $registry =& HTML_QuickForm_RuleRegistry::singleton();
            $registry->registerRule($ruleName, null, $name);
        }
        return $ruleName;
    }
function isRuleRegistered ( $ name , $ autoRegister = false ) { if ( is_scalar ( $ name ) && isset ( $ GLOBALS [ '_HTML_QuickForm_registered_rules' ] [ $ name ] ) ) { return true ; } elseif ( ! $ autoRegister ) { return false ; } // automatically register the rule if requested include_once 'HTML/QuickForm/RuleRegistry.php' ; $ ruleName = false ; if ( is_object ( $ name ) && is_a ( $ name , 'html_quickform_rule' ) ) { $ ruleName = ! empty ( $ name -> name ) ? $ name -> name : strtolower ( get_class ( $ name ) ) ; } elseif ( is_string ( $ name ) && class_exists ( $ name ) ) { $ parent = strtolower ( $ name ) ; do { if ( 'html_quickform_rule' == strtolower ( $ parent ) ) { $ ruleName = strtolower ( $ name ) ; break ; } } while ( $ parent = get_parent_class ( $ parent ) ) ; } if ( $ ruleName ) { $ registry = & HTML_QuickForm_RuleRegistry :: singleton ( ) ; $ registry -> registerRule ( $ ruleName , null , $ name ) ; } return $ ruleName ; }
Returns whether or not the given rule is supported

@param     string   $name    Validation rule name
@param     bool     Whether to automatically register subclasses of HTML_QuickForm_Rule
@since     1.0
@access    public
@return    mixed    true if previously registered, false if not, new rule name if auto-registering worked
Returns whether or not the given rule is supported