/**
* Initialize variables and actions
*/
public static function init()
{
// Load all the settings
self::$options = get_option('power_stats_options', array());
if (empty(self::$options)) {
self::$options = self::init_options();
// Save WP Power Stats options in the database
add_option('power_stats_options', self::$options, '', 'no');
} else {
self::$options = array_merge(self::init_options(), self::$options);
}
// Allow other plugins to edit the options
self::$options = apply_filters('power_stats_options', self::$options);
// Set DB connection
self::$wpdb = $GLOBALS['wpdb'];
// Hook a DB clean-up routine to the daily cron job
add_action('power_stats_purge', array(__CLASS__, 'power_stats_purge'));
// Set the options' hash for tracking changes in the options
self::$options_hash = md5(serialize(self::$options));
// Include and initialize vendor libraries
if (!class_exists('Browser') && !class_exists('UserAgent') && !class_exists('BrowserDetection')) {
require_once POWER_STATS_DIR . '/admin/vendor/browser-os/Browser.php';
}
if (!class_exists('Mobile_Detect')) {
require_once POWER_STATS_DIR . '/admin/vendor/mobile-detect/Mobile_Detect.php';
}
require_once POWER_STATS_DIR . '/admin/vendor/search-terms/SearchEngines.php';
require_once POWER_STATS_DIR . '/admin/vendor/search-terms/Countries.php';
require_once POWER_STATS_DIR . '/admin/vendor/tabgeo_country_v4/tabgeo_country_v4.php';
self::$vendors['browser'] = new Browser($_SERVER['HTTP_USER_AGENT']);
self::$vendors['device'] = new Mobile_Detect();
// Add the server and client-side tracker
if (self::$options['tracker_active'] == 'yes' && (!is_admin() || is_admin() && self::$options['ignore_admin_pages'] == 'no')) {
// Add additional custom exclusion filters
$track_filter = apply_filters('power_stats_filter_pre_tracking', true);
$action_to_hook = is_admin() ? 'admin_init' : 'wp';
// Hook the tracker script
if ($track_filter) {
add_action($action_to_hook, array(__CLASS__, 'power_stats_enqueue_tracking_script'), 15);
if (self::$options['track_users'] == 'yes') {
add_action('login_enqueue_scripts', array(__CLASS__, 'power_stats_enqueue_tracking_script'), 10);
}
}
}
// Update the options before shutting down
add_action('shutdown', array(__CLASS__, 'power_stats_save_options'));
}
/**
* Support for WP MU network activations
*/
public static function new_blog($blog_id)
{
switch_to_blog($blog_id);
self::init_environment();
restore_current_blog();
PowerStats::$options = get_option('power_stats_options', array());
}
$obj_role->add_cap('wp_power_stats_view');
}
} else {
PowerStatsAdmin::$faulty_fields[] = __('some roles in "Statistics View Roles" were not found', 'wp-power-stats');
}
} else {
// Remove the capability from all roles
foreach ($wp_roles->roles as $role) {
$role = get_role(strtolower($role['name']));
$role->remove_cap('wp_power_stats_view');
}
PowerStats::$options['view_roles'] = '';
}
if (!empty($_POST['options']['admin_roles'])) {
// Make sure all the entered roles exist
$role_array = PowerStats::string_to_array(strtolower($_POST['options']['admin_roles']));
$role_not_found = false;
foreach ($role_array as $index => $role) {
// get the role object
$obj_role = get_role($role);
if ($obj_role === null) {
$role_not_found = true;
}
}
// All entered roles are valid
if (!$role_not_found) {
// Remove the capability from all roles
foreach ($wp_roles->roles as $role) {
$role = get_role(strtolower($role['name']));
$role->remove_cap('wp_power_stats_admin');
}