pg_version
(PHP 5, PHP 7, PHP 8)
pg_version — Returns an array with client, protocol and server version (when available)
說明
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().
參數
-
connection -
An PgSql\Connection instance. When
connectionisnull, 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).
更新日誌
| 版本 | 說明 |
|---|---|
| 8.1.0 |
現在 connection 參數接受 PgSql\Connection
實例，之前接受 資源(resource)。
|
| 8.0.0 |
connection is now nullable.
|
範例
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'];
?>
以上例程會輸出：
7.4