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# db2_close

(PECL)

db2_close -- Closes a database connection

## 说明

bool db2_close ( resource connection )

This function closes a DB2 client connection created with db2_connect() and returns the corresponding resources to the database server.

If you attempt to close a persistent DB2 client connection created with db2_pconnect(), the close request is ignored and the persistent DB2 client connection remains available for the next caller.

## 参数

connection

  Specifies an active DB2 client connection.

## 返回值

如果成功则返回 `TRUE`，失败则返回 `FALSE`。

## 范例

例子 1. Closing a connection

The following example demonstrates a successful attempt to close a connection to an IBM DB2, Cloudscape, or Apache Derby database.

`<?php $conn = db2_connect('SAMPLE', 'db2inst1', 'ibmdb2'); $rc = db2_close($conn); if ($rc) { echo "Connection was successfully closed."; } ?>`

上例将输出：

    Connection was successfully closed.

## 参见

db2_connect()
db2_pconnect()

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