(Yaf >=1.0.0)
Yaf_Session::__isset — Check if a session key exists
Checks whether a session key exists. This method is an alias of Yaf_Session::has() and is called when isset() is used on a session object.
nameThe session key to check.
Example #1 Yaf_Session::__isset() example
<?php
$session = Yaf_Session::getInstance();
$session->start();
$session->user_id = 42;
var_dump(isset($session->user_id));
var_dump(isset($session->user_name));
?>Il precedente esempio visualizzerà qualcosa simile a:
bool(true) bool(false)