/**
* Saves settings.
*
* @param type $form
*/
function wpcf_admin_image_settings_form_submit($form)
{
if (isset($_POST['clear-cache-images']) || isset($_POST['clear-cache-images-outdated'])) {
require_once WPCF_EMBEDDED_INC_ABSPATH . '/fields/image.php';
$cache_dir = wpcf_fields_image_get_cache_directory(true);
if (is_wp_error($cache_dir)) {
wpcf_admin_message_store($cache_dir->get_error_message());
} else {
if (isset($_POST['clear-cache-images'])) {
wpcf_fields_image_clear_cache($cache_dir, 'all');
} else {
wpcf_fields_image_clear_cache($cache_dir);
}
wpcf_admin_message_store(__('Images cache cleared', 'wpcf'));
}
return true;
}
$settings = wpcf_get_settings();
$data = $_POST['wpcf_settings'];
foreach (array('add_resized_images_to_library', 'images_remote', 'images_remote_cache_time') as $setting) {
if (!isset($data[$setting])) {
$settings[$setting] = 0;
} else {
$settings[$setting] = $data[$setting];
}
}
update_option('wpcf_settings', $settings);
wpcf_admin_message_store(__('Settings saved', 'wpcf'));
}
/**
* Saves settings.
*
* @param type $form
*/
function wpcf_admin_general_settings_form_submit($form)
{
if (isset($_POST['clear-cache-images']) || isset($_POST['clear-cache-images-outdated'])) {
require_once WPCF_EMBEDDED_INC_ABSPATH . '/fields/image.php';
$cache_dir = wpcf_fields_image_get_cache_directory(true);
if (is_wp_error($cache_dir)) {
wpcf_admin_message_store($cache_dir->get_error_message());
} else {
if (isset($_POST['clear-cache-images'])) {
wpcf_fields_image_clear_cache($cache_dir, 'all');
} else {
wpcf_fields_image_clear_cache($cache_dir);
}
wpcf_admin_message_store(__('Images cache cleared', 'wpcf'));
}
return true;
}
$settings = wpcf_get_settings();
$data = $_POST['wpcf_settings'];
$keys = array('add_resized_images_to_library' => 'esc_html', 'help_box' => 'esc_html', 'hide_standard_custom_fields_metabox' => 'esc_html', 'images_remote' => 'intval', 'images_remote_cache_time' => 'intval', 'register_translations_on_import' => 'esc_html', 'toolset_messages' => 'intval', 'postmeta_unfiltered_html' => 'on-off', 'usermeta_unfiltered_html' => 'on-off');
foreach ($keys as $key => $validation) {
if (!isset($data[$key])) {
$settings[$key] = 0;
} else {
switch ($validation) {
case 'intval':
$settings[$key] = intval($data[$key]);
break;
case 'on-off':
if (preg_match('/^(on|off)$/', $data[$key])) {
$settings[$key] = $data[$key];
} else {
$settings[$key] = 'off';
}
break;
case 'esc_html':
default:
$settings[$key] = esc_html($data[$key]);
break;
}
}
}
/**
* validate hide_standard_custom_fields_metabox
*/
if (!preg_match('/^(show|hide)$/', $settings['hide_standard_custom_fields_metabox'])) {
$settings['hide_standard_custom_fields_metabox'] = 'show';
}
/**
* update_option
*/
update_option('wpcf_settings', $settings);
wpcf_admin_message_store(__('Settings saved.', 'wpcf'));
}
/**
* Clears remote image cache.
*
* @param type $action
*/
function wpcf_fields_image_clear_cache($cache_dir = null, $action = 'outdated')
{
if (is_null($cache_dir)) {
$cache_dir = wpcf_fields_image_get_cache_directory();
}
$refresh_time = intval(wpcf_get_settings('images_remote_cache_time'));
if ($refresh_time == 0 && $action != 'all') {
return true;
}
foreach (glob($cache_dir . DIRECTORY_SEPARATOR . "*") as $filename) {
if ($action == 'all') {
@unlink($filename);
} else {
$time_modified = filemtime($filename);
if (time() - $time_modified > $refresh_time * 60 * 60) {
@unlink($filename);
// Clear resized images
$path = pathinfo($filename);
foreach (glob($path['dirname'] . DIRECTORY_SEPARATOR . $path['filename'] . "-*") as $resized) {
@unlink($resized);
}
}
}
}
}
function wpcf_settings_clear_cache_images()
{
if (!current_user_can('manage_options')) {
$data = array('type' => 'capability', 'message' => __('You do not have permissions for that.', 'wpcf'));
wp_send_json_error($data);
}
if (!isset($_POST["wpnonce"]) || !wp_verify_nonce($_POST["wpnonce"], 'wpcf_settings_nonce')) {
$data = array('type' => 'nonce', 'message' => __('Your security credentials have expired. Please reload the page to get new ones.', 'wpcf'));
wp_send_json_error($data);
}
require_once WPCF_EMBEDDED_INC_ABSPATH . '/fields/image.php';
$cache_dir = wpcf_fields_image_get_cache_directory(true);
if (is_wp_error($cache_dir)) {
$data = array('type' => 'error', 'message' => $cache_dir->get_error_message());
wp_send_json_error($data);
}
$posted_settings = isset($_POST['settings']) ? sanitize_text_field($_POST['settings']) : '';
if (!in_array($posted_settings, array('all', 'outdated'))) {
$data = array('type' => 'error', 'message' => __('Missing data', 'wpcf'));
wp_send_json_error($data);
}
switch ($posted_settings) {
case 'all':
wpcf_fields_image_clear_cache($cache_dir, 'all');
break;
case 'outdated':
wpcf_fields_image_clear_cache($cache_dir);
break;
}
wp_send_json_success();
}
