Exactly how/when the values are invalidated is not specified by this API,
except that specific values can be forcefully invalidated with ::invalidate().
WARNING: API IN FLUX. DO NOT USE DIRECTLY.
/**
* Gets the id associated with this string, case-sensitively.
* Will add the string to the table if not present.
*
* @param string $string The value
*
* @return int
*/
private function getIdCaseSensitive($string)
{
$string = (string) $string;
return $this->cache->get($string, function () use($string) {
$escaped_string = $this->db->sanitizeString($string);
$query = "SELECT * FROM {$this->getTableName()} WHERE string = BINARY '{$escaped_string}' LIMIT 1";
$results = $this->db->getData($query);
if (isset($results[0])) {
return $results[0]->id;
} else {
return $this->add($string);
}
});
}
/**
* Delete URL data from DB and cache
*
* @param string $url URL
* @return bool
*/
public function delete($url)
{
$this->cache->invalidate(sha1($url));
$dbprefix = elgg_get_config('dbprefix');
$result = delete_data("\n\t\t\t\tDELETE FROM {$dbprefix}scraper_data\n\t\t\t\tWHERE url = :url\n\t\t", [':url' => (string) $url]);
return (bool) $result;
}
/**
* Load entire datalist in memory.
*
* This could cause OOM problems if the datalists table is large.
*
* @todo make a list of datalists that we want to get in one grab
*
* @return array
* @access private
*/
function loadAll()
{
$result = $this->db->getData("SELECT * FROM {$this->table}");
$map = array();
if (is_array($result)) {
foreach ($result as $row) {
$map[$row->name] = $row->value;
$this->cache->put($row->name, $row->value);
}
}
return $map;
}
/**
* Returns an \ElggPlugin object with the path $path.
*
* @param string $plugin_id The id (dir name) of the plugin. NOT the guid.
* @return \ElggPlugin|null
*/
function get($plugin_id)
{
return $this->plugins_by_id->get($plugin_id, function () use($plugin_id) {
$plugin_id = sanitize_string($plugin_id);
$db_prefix = get_config('dbprefix');
$options = array('type' => 'object', 'subtype' => 'plugin', 'joins' => array("JOIN {$db_prefix}objects_entity oe on oe.guid = e.guid"), 'selects' => array("oe.title", "oe.description"), 'wheres' => array("oe.title = '{$plugin_id}'"), 'limit' => 1, 'distinct' => false);
$plugins = elgg_get_entities($options);
if ($plugins) {
return $plugins[0];
}
return null;
});
}