$session->remove() method

Unset a session variable


// Unset a session var

// Unset a session var in a namespace
$session->remove($this, 'firstName');

// Unset all session vars in a namespace
$session->remove($this, true); 


// basic usage

// usage with all arguments
$session->remove($key, $_key = null);


keystring, object

Name of session variable you want to remove (or namespace string/object)

_key (optional)string, bool, null

Omit this argument unless first argument is a namespace. Otherwise specify one of:

  • If first argument is namespace and you want to remove a property from the namespace, provide key here.
  • If first argument is namespace and you want to remove all properties from the namespace, provide boolean TRUE.

Return value


Object instance it was called from (method supports fluent interface).

$session methods and properties

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
  • Subscribe to weekly ProcessWire news

I just love the easy and intuitive ProcessWire API. ProcessWire rocks!” —Jens Martsch, Web developer