# pg_transaction_status

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

pg_transaction_status — Returns the current in-transaction status of the server

### 说明

pg_transaction_status(PgSql\Connection `$connection`): int

Returns the current in-transaction status of the server.

警告

pg_transaction_status() will give incorrect results when using a PostgreSQL 7.3 server that has the parameter `autocommit` set to off. The server-side autocommit feature has been deprecated and does not exist in later server versions.

### 参数

`connection`

  PgSql\Connection 实例。

### 返回值

The status can be `PGSQL_TRANSACTION_IDLE` (currently idle), `PGSQL_TRANSACTION_ACTIVE` (a command is in progress), `PGSQL_TRANSACTION_INTRANS` (idle, in a valid transaction block), or `PGSQL_TRANSACTION_INERROR` (idle, in a failed transaction block). `PGSQL_TRANSACTION_UNKNOWN` is reported if the connection is bad. `PGSQL_TRANSACTION_ACTIVE` is reported only when a query has been sent to the server and not yet completed.

### 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。

### 示例

示例 #1 pg_transaction_status() example

`<?php
$dbconn = pg_connect("dbname=publisher") or die("Could not connect");
$stat = pg_transaction_status($dbconn);
if ($stat === PGSQL_TRANSACTION_UNKNOWN) {
echo 'Connection is bad';
} else if ($stat === PGSQL_TRANSACTION_IDLE) {
echo 'Connection is currently idle';
} else {
echo 'Connection is in a transaction state';
}
?>`
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