## 例

`

     array pg_version ([ resource $connection ] )

`

## 説明

pg_version() returns an array with the client, protocol and server version. Protocol and server versions are only available if PHP was compiled with PostgreSQL 7.4 or later. For more detailed server information, use pg_parameter_status().

## 戻り値

Returns an array with client, protocol and server keys and values (if available). Returns FALSE on error or invalid connection.