// delete options from options table
delete_option($option_name);
delete_option($shariff3UU_basic);
delete_option($shariff3UU_design);
delete_option($shariff3UU_advanced);
delete_option($shariff3UU_mailform);
delete_option($widget_name);
// delete user meta entry shariff3UU_ignore_notice
$users = get_users('role=administrator');
foreach ($users as $user) {
if (!get_user_meta($user, 'shariff3UU_ignore_notice')) {
delete_user_meta($user->ID, 'shariff3UU_ignore_notice');
}
}
// delete cache dir
shariff_removecachedir();
}
// delete cache directory
function shariff_removecachedir()
{
$upload_dir = wp_upload_dir();
$cache_dir = $upload_dir['basedir'] . '/shariff3uu_cache';
shariff_removefiles($cache_dir);
// remove /shariff3uu_cache if empty
@rmdir($cache_dir);
}
// helper function to delete .dat files that begin with "Shariff" and empty folders that also start with "Shariff"
function shariff_removefiles($directory)
{
foreach (glob("{$directory}/Shariff*") as $file) {
if (is_dir($file)) {
function shariff3UU_deactivate()
{
// check for multisite
if (is_multisite()) {
global $wpdb;
$current_blog_id = get_current_blog_id();
$blogs = $wpdb->get_results("SELECT blog_id FROM {$wpdb->blogs}", ARRAY_A);
if ($blogs) {
foreach ($blogs as $blog) {
// switch to each blog
switch_to_blog($blog['blog_id']);
// delete cache dir
shariff_removecachedir();
// switch back to main
restore_current_blog();
}
}
} else {
// delete cache dir
shariff_removecachedir();
}
}