Scalr\Model\AbstractEntity::_deletePk PHP Méthode

    private function _deletePk(array $args = [])
    {
        $iterator = $this->getIterator();
        $pk = $iterator->getPrimaryKey();
        if (empty($pk)) {
            throw new ModelException(sprintf("Primary key has not been defined with @Id tag for %s", get_class($this)));
        }
        if (count($args) != count($pk)) {
            throw new InvalidArgumentException(sprintf("The number of arguments passed does not match the primary key fields (%s)", join(', ', $pk)));
        }
        $stmtWhere = [];
        $arguments = [];
        foreach ($pk as $pos => $fieldName) {
            $field = $iterator->getField($fieldName);
            $value = $args[$pos];
            if (!isset($value) && $field->column->nullable) {
                $stmtWhere[] = "{$field->getColumnName()} IS NULL";
            } else {
                $stmtWhere[] = "{$field->getColumnName()} = {$field->type->wh()}";
                $arguments[] = $field->type->toDb($value);
            }
        }
        $stmtWhere = implode(' AND ', $stmtWhere);
        $this->db()->Execute("\n            DELETE FROM {$this->table()}\n            WHERE {$stmtWhere} LIMIT 1\n        ", $arguments);
        return $this->db()->_affectedrows();
    }