FOF30\Model\DataModel::find PHP Method

    public function find($keys = null)
    {
        // Execute the onBeforeLoad event
        $this->triggerEvent('onBeforeLoad', array(&$keys));
        // If we are not given any keys, try to get the ID from the state or the table data
        if (empty($keys)) {
            $id = $this->getState('id', 0);
            if (empty($id)) {
                $id = $this->getId();
            }
            if (empty($id)) {
                $this->triggerEvent('onAfterLoad', array(false, &$keys));
                $this->reset();
                return $this;
            }
            $keys = array($this->idFieldName => $id);
        } elseif (!is_array($keys)) {
            if (empty($keys)) {
                $this->triggerEvent('onAfterLoad', array(false, &$keys));
                $this->reset();
                return $this;
            }
            $keys = array($this->idFieldName => $keys);
        }
        // Reset the table
        $this->reset();
        // Get the query
        $db = $this->getDbo();
        $query = $db->getQuery(true)->select('*')->from($db->qn($this->tableName));
        // Apply key filters
        foreach ($keys as $filterKey => $filterValue) {
            if ($filterKey == 'id') {
                $filterKey = $this->getIdFieldName();
            }
            if (array_key_exists($filterKey, $this->recordData)) {
                $query->where($db->qn($filterKey) . ' = ' . $db->q($filterValue));
            }
        }
        // Get the row
        $db->setQuery($query);
        try {
            $row = $db->loadAssoc();
        } catch (\Exception $e) {
            $row = null;
        }
        if (empty($row)) {
            $this->triggerEvent('onAfterLoad', array(false, &$keys));
            return $this;
        }
        // Bind the data
        $this->bind($row);
        $this->relationManager->rebase($this);
        // Execute the onAfterLoad event
        $this->triggerEvent('onAfterLoad', array(true, &$keys));
        return $this;
    }

 /**
  * Gets the list of IDs from the request data
  *
  * @param DataModel $model      The model where the record will be loaded
  * @param bool      $loadRecord When true, the record matching the *first* ID found will be loaded into $model
  *
  * @return array
  */
 public function getIDsFromRequest(DataModel &$model, $loadRecord = true)
 {
     // Get the ID or list of IDs from the request or the configuration
     $cid = $this->input->get('cid', array(), 'array');
     $id = $this->input->getInt('id', 0);
     $kid = $this->input->getInt($model->getIdFieldName(), 0);
     $ids = array();
     if (is_array($cid) && !empty($cid)) {
         $ids = $cid;
     } else {
         if (empty($id)) {
             if (!empty($kid)) {
                 $ids = array($kid);
             }
         } else {
             $ids = array($id);
         }
     }
     if ($loadRecord && !empty($ids)) {
         $id = reset($ids);
         $model->find(array('id' => $id));
     }
     return $ids;
 }