[wp-trac] [WordPress Trac] #22661: Allow object caches to degrade gracefully

[WordPress Trac]

#22661: Allow object caches to degrade gracefully
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 Reporter:  markjaquith   |       Owner:
     Type:  defect (bug)  |      Status:  reopened
 Priority:  normal        |   Milestone:  3.9
Component:  Cache API     |     Version:
 Severity:  normal        |  Resolution:
 Keywords:  has-patch     |     Focuses:
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Comment (by nacin):

 Well, there is some additional code here:

 {{{
         } else if ( ! wp_using_ext_object_cache() && file_exists(
 WP_CONTENT_DIR . '/object-cache.php' ) ) {
                 // Sometimes advanced-cache.php can load object-cache.php
 before it is loaded here.
                 // This breaks the function_exists check above and can
 result in $_wp_using_ext_object_cache
                 // being set incorrectly. Double check if an external
 cache exists.
                 wp_using_ext_object_cache( true );
         }
 }}}

 So this wouldn't work in the case of Batcache loading object-cache.php
 earlier.

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Ticket URL: <https://core.trac.wordpress.org/ticket/22661#comment:9>
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