[Plugin: WP Super Cache] mod_rewrite caching fails if WP is in sub-directory with upper-case letters
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I have WordPress installed in a subdirectory with upper and lower case letters in the name.
After installing and configuring WPSC, the mod_rewrite rules look like:
RewriteRule ^(.*) “/MyDirectory/wp-content/cache/supercache/%{HTTP_HOST}/http/MyDirectory/$1/index.html” [L]But the actual cache directory is:
wp-content/cache/supercache/www.example.com/http/mydirectory/So it is converting the directory name to lower-case when creating the directories for the cache files, but it doesn’t do it when generating the mod_rewrite rules. Once I realized this, it was easy enough to fix it manually…but will there be any other problems?
The code that generates the mod_rewrite rules (in wpsc_get_htacess_info) is easy enough to follow:
$home_root = parse_url(get_bloginfo(‘url’));
$home_root is then used for both RewriteBase (which needs the case preserved) and for the sub-directory name after http/https (which should be lower-case).I saw this in get_current_url_supercache_dir:
$uri = strtolower( $wp_cache_request_uri );
$uri later gets used to create the path)…but it looks like the conversion to lower case is only done when $post_id==0. Also, get_current_url_supercache_dirs doesn’t do it:
$uri = $wp_cache_request_uri;Maybe I just need to spend some more time understanding the code, but right now I’m not confident that, even after fixing .htaccess, it’s going to work in all cases.
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