Well, that answers the syntax of the encoding, but I'm also looking for the 
semantics, i.e. what the various fields mean, although I can guess at some of 
it.

I also need to figure out how to parse this in Python.  I have much empathy for 
the anonymous author of this comment 
<https://www.php.net/manual/en/function.serialize.php#107717>.

> On Dec 4, 2019, at 7:53 PM, Dennis Tobar <[email protected]> wrote:
> 
> AFAIK, this kind of information is from serialize[1] and unserialize php 
> functions. See the information from Mediawiki table documentation[2]
> 
> [1] https://www.php.net/manual/en/function.serialize.php 
> <https://www.php.net/manual/en/function.serialize.php>
> [2] https://www.mediawiki.org/wiki/Manual:Logging_table#log_params 
> <https://www.mediawiki.org/wiki/Manual:Logging_table#log_params>
> On Wed, Dec 4, 2019 at 9:50 PM Roy Smith <[email protected] 
> <mailto:[email protected]>> wrote:
> Is there a description somewhere of what the log_params mean in this query?
> 
> MariaDB [enwiki_p]> select log_params from logging_logindex where 
> log_namespace = 2 and log_title = 'RoySmith-testing' and log_type = 'block' 
> order by log_timestamp asc;
> +---------------------------------------------------------------------------------------------------------+
> | log_params                                                                  
>                             |
> +---------------------------------------------------------------------------------------------------------+
> | a:3:{s:11:"5::duration";s:9:"5 
> minutes";s:8:"6::flags";s:11:"noautoblock";s:8:"sitewide";b:1;}          |
> | a:3:{s:11:"5::duration";s:9:"5 
> minutes";s:8:"6::flags";s:20:"nocreate,noautoblock";s:8:"sitewide";b:1;} |
> | a:0:{}                                                                      
>                             |
> +---------------------------------------------------------------------------------------------------------+
> 3 rows in set (0.00 sec)
> 
> 
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> -- 
> Dennis Tobar Calderón
> Ingeniero en Informática UTEM
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