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# pg_version

(PHP 5)

pg_version -- Returns an array with client, protocol and server version (when available)

## Descrição

array pg_version ( [resource connection] )

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().

## Parâmetros

`connection`

  PostgreSQL database connection resource. When `connection` is not present, the default connection is used. The default connection is the last connection made by pg_connect() or pg_pconnect().

## Valores de retornado

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

## Exemplos

Exemplo 1. pg_version() example

`<?php $dbconn = pg_connect("host=localhost port=5432 dbname=mary") or die("Could not connect"); $v = pg_version($dbconn); echo $v['client']; ?>`

O exemplo acima irá imprimir:

    7.4

## Veja também

pg_parameter_status()

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