/**
* Returns server info
*
* @return array
*/
function get_server_info()
{
global $wp_version, $wp_db_version, $wpdb;
$wordpress_plugins = get_plugins();
$wordpress_plugins_active = array();
foreach ($wordpress_plugins as $wordpress_plugin_file => $wordpress_plugin) {
if (is_plugin_active($wordpress_plugin_file)) {
$wordpress_plugins_active[$wordpress_plugin_file] = $wordpress_plugin;
}
}
$mysql_version = $wpdb->get_var('SELECT VERSION()');
$mysql_variables_result = (array) $wpdb->get_results('SHOW VARIABLES', ARRAY_N);
$mysql_variables = array();
foreach ($mysql_variables_result as $mysql_variables_row) {
$mysql_variables[$mysql_variables_row[0]] = $mysql_variables_row[1];
}
$server_info = array('w3tc' => array('version' => W3TC_VERSION, 'server' => !empty($_SERVER['SERVER_SOFTWARE']) ? $_SERVER['SERVER_SOFTWARE'] : 'Unknown', 'dir' => W3TC_DIR, 'cache_dir' => W3TC_CACHE_DIR, 'blog_id' => w3_get_blog_id(), 'document_root' => w3_get_document_root(), 'home_root' => w3_get_home_root(), 'site_root' => w3_get_site_root(), 'base_path' => w3_get_base_path(), 'home_path' => w3_get_home_path(), 'site_path' => w3_get_site_path()), 'wp' => array('version' => $wp_version, 'db_version' => $wp_db_version, 'abspath' => ABSPATH, 'home' => get_option('home'), 'siteurl' => get_option('siteurl'), 'email' => get_option('admin_email'), 'upload_info' => (array) w3_upload_info(), 'theme' => w3tc_get_current_theme(), 'wp_cache' => defined('WP_CACHE') && WP_CACHE ? 'true' : 'false', 'plugins' => $wordpress_plugins_active), 'mysql' => array('version' => $mysql_version, 'variables' => $mysql_variables));
return $server_info;
}
/**
* Checks if the subfolder rewrite test rules exists.
* @return bool
*/
function check_multisite_subfolder_test_rules_cache_apache()
{
$path = w3_get_home_root() . '/.htaccess';
$search = $this->generate_multisite_subfolder_rewrite_test_rules_apache();
return ($data = @file_get_contents($path)) && strstr(w3_clean_rules($data), w3_clean_rules($search)) !== false;
}
/**
* Returns path of browsercache no404wp rules file
*
* @return string
*/
function w3_get_browsercache_rules_no404wp_path()
{
switch (true) {
case w3_is_apache():
return w3_get_home_root() . '/.htaccess';
case w3_is_nginx():
return w3_get_nginx_rules_path();
}
return false;
}