function system_check_caches($repair = true)
{
global $DB;
// Check cache/ folder
$result = system_check_dir('cache');
if ($result > 0) {
// error with cache/ folder
$failed = true;
if ($repair && $result == 2) {
// if cache folder not exists, and should repair, then try to create it
$failed = $failed && !system_create_cache_folder();
}
if ($failed) {
// could/should not repair
list($status, $message) = system_get_result($result, T_('Cache folder error') . ': ');
return array($message);
}
}
$error_messages = array();
if (($result = system_check_blog_cache(NULL, $repair)) !== false) {
// general cache folder should exists
list($status, $message) = $result;
if ($status != 'ok') {
$error_messages[] = T_('General cache folder error') . ': ' . $message;
}
}
$cache_enabled_blogs = system_get_blog_IDs(true);
$BlogCache =& get_BlogCache();
foreach ($cache_enabled_blogs as $blog_ID) {
// blog's cache folder should exists
if (($result = system_check_blog_cache($blog_ID, $repair)) !== false) {
list($status, $message) = $result;
if ($status != 'ok') {
$Blog = $BlogCache->get_by_ID($blog_ID);
$error_messages[] = sprintf(T_('«%s» page cache folder'), $Blog->get('shortname')) . ': ' . $message;
}
}
}
return $error_messages;
}
}
} else {
disp_system_check('ok');
}
init_system_check('Internal b2evo charset', $system_stats['evo_charset']);
disp_system_check('note');
init_system_check('Blog count', $system_stats['evo_blog_count']);
disp_system_check('note');
$block_item_Widget->disp_template_raw('block_end');
/*
* Caching
*/
$block_item_Widget->title = T_('Caching');
$block_item_Widget->disp_template_replaced('block_start');
// Cache folder writable?
list($cachedir_status, $cachedir_msg) = system_get_result($system_stats['cachedir_status']);
$cachedir_long = '';
if ($cachedir_status == 'error') {
$cachedir_long = '<p>' . T_('You will not be able to use page cache.') . "</p>\n" . '<p>' . T_('Your host requires that you set special file permissions on your cache directory.') . get_manual_link('cache_file_permission_errors') . "</p>\n";
}
init_system_check(T_('Cache directory'), $cachedir_msg . ' - ' . $cache_path);
disp_system_check($cachedir_status, $cachedir_long);
// cache folder size
init_system_check('Cache folder size', bytesreadable($system_stats['cachedir_size']));
disp_system_check('note');
if ($cachedir_status != 'error') {
// 'cache/ directory exists and, it is writable
// General cache is enabled
init_system_check(T_('General caching'), $system_stats['general_pagecache_enabled'] ? 'Enabled' : 'Disabled');
disp_system_check('note');
// how many blogs have enabled caches
