sprintf(
__(
'WP Session Manager requires PHP %s or newer. Please contact your system administrator to upgrade!',
'wp-session-manager'
),
WP_SESSION_MINIMUM_PHP_VERSION,
PHP_VERSION
),
'multiple_sessions' => __(
'Another plugin is attempting to start a session with WordPress. WP Session Manager will not work!',
'wp-session-manager'
)
];
/**
* Initialize the plugin, bootstrap autoloading, and register default hooks
*/
function wp_session_manager_initialize()
{
$wp_session_autoload = __DIR__ . '/vendor/autoload.php';
if (file_exists($wp_session_autoload)) {
require_once $wp_session_autoload;
}
if (!class_exists('EAMann\Sessionz\Manager')) {
exit('WP Session Manager requires Composer autoloading, which is not configured');
}
if (!isset($_SESSION)) {
// Queue up the session stack.
$wp_session_handler = EAMann\Sessionz\Manager::initialize();
// Fall back to database storage where needed.
if (defined('WP_SESSION_USE_OPTIONS') && WP_SESSION_USE_OPTIONS) {
$wp_session_handler->addHandler(new \EAMann\WPSession\OptionsHandler());
} else {
$wp_session_handler->addHandler(new \EAMann\WPSession\DatabaseHandler());
/**
* The database handler can automatically clean up sessions as it goes. By default,
* we'll run the cleanup routine every hour to catch any stale sessions that PHP's
* garbage collector happens to miss. This timeout can be filtered to increase or
* decrease the frequency of the manual purge.
*
* @param string $timeout Interval with which to purge stale sessions
*/
$timeout = apply_filters('wp_session_gc_interval', 'hourly');
if (!wp_next_scheduled('wp_session_database_gc')) {
wp_schedule_event(time(), $timeout, 'wp_session_database_gc');
}
add_action('wp_session_database_gc', ['EAMann\WPSession\DatabaseHandler', 'directClean']);
}
// If we have an external object cache, let's use it!
if (wp_using_ext_object_cache()) {
$wp_session_handler->addHandler(new EAMann\WPSession\CacheHandler());
}
// Decrypt the data surfacing from external storage.
if (defined('WP_SESSION_ENC_KEY') && WP_SESSION_ENC_KEY) {
$wp_session_handler->addHandler(new \EAMann\Sessionz\Handlers\EncryptionHandler(WP_SESSION_ENC_KEY));
}
// Use an in-memory cache for the instance if we can. This will only help in rare cases.
$wp_session_handler->addHandler(new \EAMann\Sessionz\Handlers\MemoryHandler());
$_SESSION['wp_session_manager'] = 'active';
}
if (! isset($_SESSION['wp_session_manager']) || $_SESSION['wp_session_manager'] !== 'active') {
add_action('admin_notices', 'wp_session_manager_multiple_sessions_notice');
return;
}
// Create the required table.
\EAMann\WPSession\DatabaseHandler::createTable();
register_deactivation_hook(__FILE__, function () {
wp_clear_scheduled_hook('wp_session_database_gc');
});
}
/**
* Print an admin notice if too many plugins are manipulating sessions.
*
* @global array $wp_session_messages
*/
function wp_session_manager_multiple_sessions_notice()
{
global $wp_session_messages;
?>