Method delete

/**
 * Method to delete one or more records.
 *
 * @param   array  &$pks  An array of record primary keys.
 *
 * @return  boolean  True if successful, false if an error occurs.
 *
 * @since   1.6
 */
public function delete(&$pks)
{
    $pks = ArrayHelper::toInteger((array) $pks);
    $table = $this->getTable();
    // Include the plugins for the delete events.
    PluginHelper::importPlugin($this->events_map['delete']);
    // Iterate the items to delete each one.
    foreach ($pks as $i => $pk) {
        if ($table->load($pk)) {
            if ($this->canDelete($table)) {
                $context = $this->option . '.' . $this->name;
                // Trigger the before delete event.
                $result = Factory::getApplication()->triggerEvent($this->event_before_delete, array($context, $table));
                if (\in_array(false, $result, true)) {
                    $this->setError($table->getError());
                    return false;
                }
                // Multilanguage: if associated, delete the item in the _associations table
                if ($this->associationsContext && Associations::isEnabled()) {
                    $db = $this->getDbo();
                    $query = $db->getQuery(true)->select(['COUNT(*) AS ' . $db->quoteName('count'), $db->quoteName('as1.key')])->from($db->quoteName('#__associations', 'as1'))->join('LEFT', $db->quoteName('#__associations', 'as2'), $db->quoteName('as1.key') . ' = ' . $db->quoteName('as2.key'))->where([$db->quoteName('as1.context') . ' = :context', $db->quoteName('as1.id') . ' = :pk'])->bind(':context', $this->associationsContext)->bind(':pk', $pk, ParameterType::INTEGER)->group($db->quoteName('as1.key'));
                    $db->setQuery($query);
                    $row = $db->loadAssoc();
                    if (!empty($row['count'])) {
                        $query = $db->getQuery(true)->delete($db->quoteName('#__associations'))->where([$db->quoteName('context') . ' = :context', $db->quoteName('key') . ' = :key'])->bind(':context', $this->associationsContext)->bind(':key', $row['key']);
                        if ($row['count'] > 2) {
                            $query->where($db->quoteName('id') . ' = :pk')->bind(':pk', $pk, ParameterType::INTEGER);
                        }
                        $db->setQuery($query);
                        $db->execute();
                    }
                }
                if (!$table->delete($pk)) {
                    $this->setError($table->getError());
                    return false;
                }
                // Trigger the after event.
                Factory::getApplication()->triggerEvent($this->event_after_delete, array($context, $table));
            } else {
                // Prune items that you can't change.
                unset($pks[$i]);
                $error = $this->getError();
                if ($error) {
                    Log::add($error, Log::WARNING, 'jerror');
                    return false;
                } else {
                    Log::add(Text::_('JLIB_APPLICATION_ERROR_DELETE_NOT_PERMITTED'), Log::WARNING, 'jerror');
                    return false;
                }
            }
        } else {
            $this->setError($table->getError());
            return false;
        }
    }
    // Clear the component's cache
    $this->cleanCache();
    return true;
}