$session API variable / Session class

Maintains sessions in ProcessWire, authentication, persistent variables, notices and redirects.

Click any linked item for full usage details and examples. Hookable methods are indicated with the icon. In addition to those shown below, the Session class also inherits all the methods and properties of: Wire.

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Common

NameReturnSummary 
$session->CSRF()
SessionCSRFReturn an instance of ProcessWire’s CSRF object, which provides an API for cross site request forgery protection.
Can also be used as property: $session->CSRF
 
$session->get($key)
mixedGet a session variable 
$session->getAll()
arrayGet all session variables in an associative array 
$session->getFor($ns, string $key)
mixedGet a session variable within a given namespace 
$session->getHistory()
arrayGet the session history (if enabled) 
$session->getIP()
string intGet the IP address of the current user 
$session->getIterator()
ArrayObjectAllow iteration of session variables 
$session->hasCookie()
boolAre session cookie(s) present? 
$session->redirect(string $url)
(nothing)Redirect this session to another URL.
$session->remove($key)
$thisUnset a session variable 
$session->removeAllFor($ns)
$thisRemove all session variables in given namespace 
$session->removeFor($ns, string $key)
$thisUnset a session variable within a namespace 
$session->set($key, $value)
$thisSet a session variable 
$session->setFor($ns, string $key, mixed $value)
$thisSet a session variable within a given namespace 

Authentication

Additional methods and properties

In addition to the methods and properties above, Session also inherits the methods and properties of these classes:

API reference based on ProcessWire core version 3.0.130

Twitter updates

  • New post: ProcessWire 3.0.131 adds support for partial/resumable downloads and http stream delivery, and contains several updates to our comments system, among other updates— More
    3 May 2019
  • New post: Quietly and without interruption this week, the ProcessWire.com website (and all subdomains) moved from a single static server to a load-balanced multi-server environment, giving us even more horsepower and redundancy than before— More
    19 April 2019
  • New post: With ProcessWire 3.0.130, this week we’ll take a detailed look at a few useful new API additions made in the last few weeks, along with examples of each—More
    12 April 2019

Latest news

  • ProcessWire Weekly #262
    The 262nd issue of ProcessWire Weekly will cover the latest module updates, both Pro modules and non-commercial ones. We've also got some highlights from the support forum, and a beautiful new site of the week. Read on!
    Weekly.pw / 18 May 2019
  • Lots of module updates
    In this post we take a quick look at the new version of ProFields Repeater Matrix, yet another new version of FormBuilder, and a new version of the GoogleClientAPI module.
    Blog / 17 May 2019
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I just love the easy and intuitive ProcessWire API. ProcessWire rocks!” —Jens Martsch, Web developer