(Yaf >=1.0.0)
Yaf_Session::offsetExists — Check if a session key exists (ArrayAccess)
Checks whether a session key exists. This method is an alias of Yaf_Session::has() and is called when isset() is used with array syntax.
nameThe session key to check.
Приклад #1 Yaf_Session::offsetExists() example
<?php
$session = Yaf_Session::getInstance();
$session->start();
$session["user_id"] = 42;
var_dump(isset($session["user_id"]));
var_dump(isset($session["user_name"]));
?>Поданий вище приклад виведе щось схоже на:
bool(true) bool(false)