[horde] Class definition of Horde_Cache_emcache not found - Revisted

[d.hill at yournetplus.com]

Quoting Michael Rubinsky <mrubinsk at horde.org>:
>
> Quoting d.hill at yournetplus.com:
>
>> Quoting Michael Rubinsky <mrubinsk at horde.org>:
>>
>>>
>>> Quoting d.hill at yournetplus.com:
>>>
>>>> I'm still getting an error relating to 'Class definition of  
>>>> Horde_Cache_emcache not found' periodically.
>>>>
>>>> I have added my email account as an admin so I could get the full  
>>>> error message. Being the content of the text is over 500Kb, here  
>>>> is a link to the text of what I receive periodically:
>>>>
>>>>  http://mail.yournetplus.com/d.hill/Horde_Cache_emcache.txt
>>>>
>>>> I've changed all of the sensitive information (E.g. server domain  
>>>> names and passwords) to protect the innocent.
>>>>
>>>> Can anyone shed light as to what is going on? I have very little  
>>>> PHP experience to debug this issue.
>>>
>>> This is very bizarre.  It looks like you either have a corrupt  
>>> Cache.php file or a badly broken PHP build.
>>>
>>> Can you post what the factory() method looks like in  
>>> lib/Horde/Cache.php? Even better, you can place var_dump($driver)  
>>> statements in various locations in that method and see where the  
>>> string is losing the first character.
>>
>> Thanks for your quick response. I have placed var_dump($driver)  
>> after all of the if statements within that particular methond.
>
> ...and what are the results of the var_dump()s?

The error has not occured as of yet. I'm assuming the var_dump() will  
show something in the logs. What would I be looking for? Also, is it  
going to show something on the dump page I get when the error occures?