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Date: Thu, 09 Jul 2015 14:58:45 +0000
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To: PHP Development <internals@lists.php.net>
Cc: Olivier Garcia <olivier@creativ-it.net>
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Subject: Very strange error message
From: patrickallaert@php.net (Patrick ALLAERT)

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Hello list,

Today I am facing a rather strange PHP error message on a production system
using PHP 5.4.41 with APC:

[09-Jul-2015 15:06:43 Europe/Brussels] PHP Fatal error:  Access to
undeclared static property:
Stash\Item::$/opt/app/a373/apache-pro/htdocs/vendor/tedivm/stash/src/Stash/Interfaces/ItemInterface.php
in /opt/app/a373/apache-pro/htdocs/vendor/tedivm/stash/src/Stash/Item.php
on line 348

That line 348 is this one:
https://github.com/tedious/Stash/blob/master/src/Stash/Item.php#L348
and contains:
$cacheTime = self::$cacheTime;

$cacheTime being defined in the class as:
public static $cacheTime = 432000; // five days
(see: https://github.com/tedious/Stash/blob/master/src/Stash/Item.php#L59)

A message like:
"Fatal error:  Access to undeclared static property:
Stash\Item::$cacheTime" is virtually possible, but:
"Fatal error:  Access to undeclared static property:
Stash\Item::$/opt/app/a373/apache-pro/htdocs/vendor/tedivm/stash/src/Stash/Interfaces/ItemInterface.php"
?

How is it possible that the filename of the file containing the interface
being used by that class appears instead of the variable?

Any clue of what happened? PHP bug, APC one? Memory corruption? Bad karma
or planets wrongly aligned?

Cheers,
Patrick

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