Closes an open connection and releases resourses associated with the connection

# sqlsrv_close

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sqlsrv_close — Closes an open connection and releases resourses associated with the connection

### 说明

function sqlsrv_close(resource `$conn`): bool

Closes an open connection and releases resourses associated with the connection.

### 参数

`conn`
  The connection to be closed.

### 返回值

成功时返回 `true`， 或者在失败时返回 `false`。

### 示例

示例 #1 sqlsrv_close() example

    <?php
    $serverName = "serverName\sqlexpres";
    $connOptions = array("UID"=>"username", "PWD"=>"password", "Database"=>"dbname");
    $conn = sqlsrv_connect( $serverName, $connOptions );
    if( $conn === false ) {
         die( print_r( sqlsrv_errors(), true));
    }

    //-------------------------------------
    // Perform database operations here.
    //-------------------------------------

    // Close the connection.
    sqlsrv_close( $conn );
    ?>

### 参见

- sqlsrv_connect() - Opens a connection to a Microsoft SQL Server database

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