Contao\Model::save PHP Метод

    public function save()
    {
        // Deprecated call
        if (count(func_get_args())) {
            throw new \InvalidArgumentException('The $blnForceInsert argument has been removed (see system/docs/UPGRADE.md)');
        }
        // The instance cannot be saved
        if ($this->blnPreventSaving) {
            throw new \RuntimeException('The model instance has been detached and cannot be saved');
        }
        $objDatabase = \Database::getInstance();
        $arrFields = $objDatabase->getFieldNames(static::$strTable);
        // The model is in the registry
        if (\Model\Registry::getInstance()->isRegistered($this)) {
            $arrSet = array();
            $arrRow = $this->row();
            // Only update modified fields
            foreach ($this->arrModified as $k => $v) {
                // Only set fields that exist in the DB
                if (in_array($k, $arrFields)) {
                    $arrSet[$k] = $arrRow[$k];
                }
            }
            $arrSet = $this->preSave($arrSet);
            // No modified fiels
            if (empty($arrSet)) {
                return $this;
            }
            $intPk = $this->{static::$strPk};
            // Track primary key changes
            if (isset($this->arrModified[static::$strPk])) {
                $intPk = $this->arrModified[static::$strPk];
            }
            // Update the row
            $objDatabase->prepare("UPDATE " . static::$strTable . " %s WHERE " . static::$strPk . "=?")->set($arrSet)->execute($intPk);
            $this->postSave(self::UPDATE);
            $this->arrModified = array();
            // reset after postSave()
        } else {
            $arrSet = $this->row();
            // Remove fields that do not exist in the DB
            foreach ($arrSet as $k => $v) {
                if (!in_array($k, $arrFields)) {
                    unset($arrSet[$k]);
                }
            }
            $arrSet = $this->preSave($arrSet);
            // No modified fiels
            if (empty($arrSet)) {
                return $this;
            }
            // Insert a new row
            $stmt = $objDatabase->prepare("INSERT INTO " . static::$strTable . " %s")->set($arrSet)->execute();
            if (static::$strPk == 'id') {
                $this->id = $stmt->insertId;
            }
            $this->postSave(self::INSERT);
            $this->arrModified = array();
            // reset after postSave()
            \Model\Registry::getInstance()->register($this);
        }
        return $this;
    }