MongoLite\Collection::_insert PHP Method

    protected function _insert(&$document)
    {
        $table = $this->name;
        $document["_id"] = uniqid() . 'doc' . rand();
        $data = array("document" => json_encode($document, JSON_NUMERIC_CHECK | JSON_UNESCAPED_UNICODE));
        $fields = array();
        $values = array();
        foreach ($data as $col => $value) {
            $fields[] = "`{$col}`";
            $values[] = is_null($value) ? 'NULL' : $this->database->connection->quote($value);
        }
        $fields = implode(',', $fields);
        $values = implode(',', $values);
        $sql = "INSERT INTO {$table} ({$fields}) VALUES ({$values})";
        $res = $this->database->connection->exec($sql);
        if ($res) {
            return $this->database->connection->lastInsertId();
        } else {
            trigger_error('SQL Error: ' . implode(', ', $this->database->connection->errorInfo()) . ":\n" . $sql);
            return false;
        }
    }