/**
* AJAX callback to revoke the secret URL for the system info.
*
* @access private
* @since 8.3
* @static
*/
public static function revokeSystemInfoURL()
{
if (!check_ajax_referer('revoke_remote_system_info_url', FALSE, FALSE)) {
wp_send_json_error(__('Invalid AJAX action or nonce validation failed.', 'connections'));
}
if (!current_user_can('manage_options')) {
wp_send_json_error(__('You do not have sufficient permissions to perform this action.', 'connections'));
}
cnCache::clear('system_info_remote_token', 'option-cache');
wp_send_json_success(__('Secret URL has been revoked.', 'connections'));
}
/**
* Clear a fragment cache object or object group.
*
* @access public
* @since 8.1.6
* @static
* @param mixed $key bool | string The cache key to clear. When set to TRUE, clear a fragment cache group.
* @param string $group The cache group to clear
* @return void
*/
public static function clear($key, $group = '')
{
if (TRUE !== $key) {
cnCache::clear($key, 'transient', self::PREFIX);
} else {
$group_key = empty($group) ? self::PREFIX : $group;
cnCache::clear(TRUE, 'transient', $group_key);
}
}
/**
* Download the CSV file.
*
* @access public
* @since 8.5
*
* @uses cnCSV_Export::headers()
* @uses cnCSV_Batch_Export::fileContents()
*/
public function download()
{
// Clear the fields and types query caches.
cnCache::clear(TRUE, 'transient', 'cn-csv');
$this->headers();
$file = $this->fileContents();
@unlink($this->file);
echo $file;
die;
}
/**
* Purge entry related caches when an entry is added/edited.
*
* @access public
* @since 8.1
*
* @uses cnCache::clear()
*
* @return void
*/
public static function clearCache()
{
cnCache::clear(TRUE, 'transient', 'cn_category');
cnCache::clear(TRUE, 'transient', 'cn_relative');
/**
* Action fired after entry related caches are cleared.
*
* The `cn_process_cache-entry` action is deprecated since 8.2.5 and should not be used.
*
* @since 8.2.5
*/
do_action('cn_clean_entry_cache');
do_action('cn_process_cache-entry');
}
/**
* Will remove all of the term ids from the cache.
*
* NOTE: This is the Connections equivalent of @see clean_term_cache() in WordPress core ../wp-includes/taxonomy.php
*
* @access public
* @since 8.1.6
* @static
*
* @global $wpdb
*
* @uses wpdb::get_results()
* @uses wp_cache_delete()
* @uses delete_option()
* @uses cnTerm::get_hierarchy()
* @uses do_action()
* @uses wp_cache_set()
*
* @param int|array $ids Single or list of Term IDs
* @param string $taxonomy Can be empty and will assume tt_ids, else will use for context.
* @param bool $clean_taxonomy Whether to clean taxonomy wide caches (true), or just individual term object caches (false). Default is true.
*/
public static function cleanCache($ids, $taxonomy = '', $clean_taxonomy = TRUE)
{
/** @var $wpdb wpdb */
global $wpdb;
if (!is_array($ids)) {
$ids = array($ids);
}
$taxonomies = array();
// If no taxonomy, assume tt_ids.
if (empty($taxonomy)) {
$tt_ids = array_map('intval', $ids);
$tt_ids = implode(', ', $tt_ids);
$terms = $wpdb->get_results("SELECT term_id, taxonomy FROM " . CN_TERM_TAXONOMY_TABLE . " WHERE term_taxonomy_id IN ({$tt_ids})");
$ids = array();
foreach ((array) $terms as $term) {
$taxonomies[] = $term->taxonomy;
$ids[] = $term->term_id;
wp_cache_delete($term->term_id, 'cn_' . $term->taxonomy);
}
$taxonomies = array_unique($taxonomies);
} else {
$taxonomies = array($taxonomy);
foreach ($taxonomies as $taxonomy) {
foreach ($ids as $id) {
wp_cache_delete($id, 'cn_' . $taxonomy);
}
}
}
foreach ($taxonomies as $taxonomy) {
if ($clean_taxonomy) {
wp_cache_delete('all_ids', 'cn_' . $taxonomy);
wp_cache_delete('get', 'cn_' . $taxonomy);
delete_option("cn_{$taxonomy}_children");
// Regenerate {$taxonomy}_children
self::get_hierarchy($taxonomy);
}
/**
* Fires once after each taxonomy's term cache has been cleaned.
*
* @since 8.1.6
*
* @param array $ids An array of term IDs.
* @param string $taxonomy Taxonomy slug.
*/
do_action('cn_clean_term_cache', $ids, $taxonomy);
}
wp_cache_set('last_changed', microtime(), 'cn_terms');
// Clear any transients/cache fragments that were set.
cnCache::clear(TRUE, 'transient', "cn_{$taxonomy}");
}
/**
* Output the CSV column headers.
*
* @access public
* @since 8.5.1
*/
public function writeHeaders()
{
$this->setHeaderNames();
$header = '';
$count = count($this->fields);
// Clear the fields and types query caches.
cnCache::clear(TRUE, 'transient', 'cn-csv');
for ($i = 0; $i < $count; $i++) {
// If there is a special type, export it, otherwise, just draw it
$header .= $this->explodeBreakoutHeader($this->fields[$i]);
}
// Trim the hanging comma and space.
$header = rtrim($header, ',');
// Now write the header...
$this->write($header . "\r\n");
}
