SESSION Variables not updated, non-PHP behaviour with $_SESSION

137 Posts

bertcatsburg Reply #1, 16 years, 5 months ago

Hello,

I have on a non-MODX site the following code:

if (!isset($_SESSION["xx"])) {
$_SESSION["xx"] = 1;
}

$a = $_SESSION["xx"];
$a = $a + 1;

$_SESSION["xx"] = $a;
print "<h3>a = " . $a . "</h3>";

This is standard a counter in a session variable. Very basic and
straightforward.
When refreshing the page, I get a number-count.

Then I paste this piece of code in a snippet. [[phpsession]]
The snippet is called from a document.
What happens then is very very strange:
1) The counter is not updated on refreshing the page
2) The counter is updated after I edited/saved snippet.
3) Another user (another PC, same outgoing IP address) gets the same
number as I have

When I add a php command var_dump($_SESSION) in the snippet,
then I see all MODX session params. They look ok. I also see my
added variable.

This must be a very strange bug or something very stupid of me.
Since I cannot be the first one using session I am very afraid it’s
the latter. But what did I do wrong?

Please help.

Thank you.

Bert Catsburg

1,193 Posts

ScottyDelicious Reply #2, 16 years, 5 months ago

is the page cached?
If so, did you call the snippet uncached as [!phpsession!]

-sD-
Dr. Scotty Delicious, DFPA.

Husband, Father, Brother, Son, Programmer, Atheist, Nurse, Friend, Lover, Fighter.
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137 Posts

bertcatsburg Reply #3, 16 years, 5 months ago

Ah, my first encounter with the MODX caching mechanism.
Very very sorry guys that I did not see this directly.

Yes, calling the snippet with the "[! !]" instead of "[[ ]]" solved
the problem.