Store an object in a PHP session PDF Print E-mail
Written by Bernhard Fischer   
Tuesday, 20 February 2007

The title is a bit different from what the content describes, but that's intended...

You would not want to store an object in a session - you would rather store a reference to an object. This way the object in question is not copied, thus using double memory, for the sake of efficiency.

save the reference:
$_SESSION[”ObjectRef”] = & $RealObject

retrieve it:
$RealObject = & $_SESSION[”ObjectRef”]

Keep in mind that storing objects in session can cause trouble if cookies are used, as a cookie’s size is limited.


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