pg_version

(PHP 5, PHP 7, PHP 8)

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

说明

pg_version(?PgSql\Connection $connection = null): array

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().

参数

connection

An PgSql\Connection instance. When connection is null, the default connection is used. The default connection is the last connection made by pg_connect() or pg_pconnect().

警告

As of PHP 8.1.0, using the default connection is deprecated.

返回值

Returns an array with client, protocol and server keys and values (if available).

更新日志

版本 说明
8.1.0 现在 connection 参数接受 PgSql\Connection 实例，之前接受 resource。
8.0.0 connection is now nullable.

示例

示例 #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'];
?>

以上示例会输出：

7.4

参见