Nu-Coder Manual

PhpExpress Manual

PHP Joomla
Development

Yaf_View_Simple::getScriptPath	Yaf_View_Simple::render

Yaf_View_Simple	Last updated: Mon, 26 Oct 2026

Yaf_View_Simple::__isset

(Yaf >=1.0.0)

Yaf_View_Simple::__isset — Check whether a variable is assigned

Description

public function Yaf_View_Simple::__isset(string $name): bool

Checks whether a variable is assigned to the view. This method is called when isset() is used on a view object.

Parameters

name: The name of the variable to check.

Return Values

Returns true if a variable is assigned under name, false otherwise.

Examples

Example #1 Yaf_View_Simple::__isset() example

<?php
class IndexController extends Yaf_Controller_Abstract
{
    public function indexAction()
    {
        $view = $this->getView();
        $view->assign("title", "Welcome");

        var_dump(isset($view->title));
        var_dump(isset($view->unknown));
    }
}
?>

The above example will output something similar to:

bool(true)
bool(false)

See Also

Yaf_View_Simple::assign() - Assign a variable to the view
Yaf_View_Simple::get() - Get an assigned variable
Yaf_View_Simple::clear() - Remove an assigned variable

Yaf_View_Simple::getScriptPath	Yaf_View_Simple::render

Yaf_View_Simple	Last updated: Mon, 26 Oct 2026