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WPDB Cache Money

外掛說明

Cache Money stores all database result sets on the filesystem as serialized data, by using the oft-neglectged wp-content/db.php to extend the normal $wpdb class. Result sets will be updated as needed on a user by user basis when they do actions that perform update queries.

Please note that this is not a full scale page cache, like WP-Cache or WP Super Cache, although this will work just fine in conjunction. Cache Money is meant for sites with constantly changing content, where a full cache may not be suitable.

Tested with WordPress and WordPress MU 2.8.0 ~ 3.1
Requires PHP 5, like all good PHP apps.

螢幕擷圖

安裝方式

  1. Place entire /wpdb-cache-money/ directory to the /wp-content/plugins/ directory
  2. Activate the plugin through the ‘Plugins’ menu in WordPress
  3. Bling

常見問題集

This doesn’t do anything!

Yes it does. Hey, didn’t you ask this question over on my other plugin too?

I need the cache to be cleared at a different interval than 5 minutes.

Change $cacheMoney->threshold to whatever number of seconds you wish.

How can I tell if this is working?

The directory wp-content/plugins/wpdb-cache-money/ should be full of files with names similar to 4a13fc6a615ac14cc3f58160ce9c52f3.php. If not, check to make sure this directory is writable by your server. echo $wpdb->stats(TRUE) will give you a result like q: 9 | c: 6 | m: 9.055 t: 0.171. q is the number of actual database queries, c is the number of cached queries, m is the memory usage in megabytes, and t is the time in seconds to render the page. echo $wpdb->stats() will do the same, wrapped in an html comment, for times when you need to be discrete. There is also a profiler method – echo $wpdb->profiler(). You will need to make sure $cacheMoney->useProfiler is set to TRUE to use this. The default for the profiler is to sort the queries by length of time descending. $wpdb->profiler(FALSE) will show the queries in the order performed.

使用者評論

這個外掛目前沒有任何使用者評論。

參與者及開發者

以下人員參與了開源軟體〈WPDB Cache Money〉的開發相關工作。

參與者

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變更記錄

.5

  • Admin settings area added, major code cleanup, bumped min WP version to 3.0 *

0.35

  • Minor code cleanup *

0.31

  • Important security fix *

0.22

  • Not caching options queries using autoload, was screwing up wp cron

0.21

  • Added second parameter to wp->query(), to bypass reset of internal timer on inserts

0.176

  • Using HEREDOC syntax for serialized data

0.175

  • Improved caching with FOUND_ROWS() queries

0.171

  • Fixed bug in escaped single quotes in serialized data.

0.166

  • Allows a salt, used in the md5 generation of file names.

0.165

  • Allows logged in administrators to clear all cache info with the variable ?cache-clear in query string

0.16

  • Allows logged in administrators to view cache info with the variable ?cache-profile in query string, set to ‘sort’ to sort by length

0.15

  • clearCache() method to empty cache files. Called automatically on plugin deactivation.

0.14

  • Improved styles in profiler().

0.13

  • First pass at query browser. This is not active – if this proves to be a bad idea, will be removed from later versions.

0.1

  • Refined profiler() methods.

0.09

  • Bug fixes. First pass at documentation, profiler() methods.

0.02

  • Initial public release. No documentation.