dbObject::prepareData PHP Méthode

    private function prepareData()
    {
        $this->errors = array();
        $sqlData = array();
        if (count($this->data) == 0) {
            return array();
        }
        if (method_exists($this, "preLoad")) {
            $this->preLoad($this->data);
        }
        if (!$this->dbFields) {
            return $this->data;
        }
        foreach ($this->data as $key => &$value) {
            if ($value instanceof dbObject && $value->isNew == true) {
                $id = $value->save();
                if ($id) {
                    $value = $id;
                } else {
                    $this->errors = array_merge($this->errors, $value->errors);
                }
            }
            if (!in_array($key, array_keys($this->dbFields))) {
                continue;
            }
            if (!is_array($value)) {
                $sqlData[$key] = $value;
                continue;
            }
            if (isset($this->jsonFields) && in_array($key, $this->jsonFields)) {
                $sqlData[$key] = json_encode($value);
            } else {
                if (isset($this->arrayFields) && in_array($key, $this->arrayFields)) {
                    $sqlData[$key] = implode("|", $value);
                } else {
                    $sqlData[$key] = $value;
                }
            }
        }
        return $sqlData;
    }