# sqlsrv_fetch_array

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sqlsrv_fetch_array — Returns a row as an array

### 说明

sqlsrv_fetch_array ( resource `$stmt` [, int `$fetchType` [, int `$row` [, int `$offset` ]]] ) : array

Returns the next available row of data as an associative array, a numeric array, or both (the default).

### 参数

`stmt`

  A statement resource returned by sqlsrv_query or sqlsrv_prepare.

`fetchType`

  A predefined constant specifying the type of array to return. Possible values are `SQLSRV_FETCH_ASSOC`, `SQLSRV_FETCH_NUMERIC`, and `SQLSRV_FETCH_BOTH` (the default).

  A fetch type of SQLSRV_FETCH_ASSOC should not be used when consuming a result set with multiple columns of the same name.

`row`

  Specifies the row to access in a result set that uses a scrollable cursor. Possible values are `SQLSRV_SCROLL_NEXT`, `SQLSRV_SCROLL_PRIOR`, `SQLSRV_SCROLL_FIRST`, `SQLSRV_SCROLL_LAST`, `SQLSRV_SCROLL_ABSOLUTE` and, `SQLSRV_SCROLL_RELATIVE` (the default). When this parameter is specified, the `fetchType` must be explicitly defined.

`offset`

  Specifies the row to be accessed if the row parameter is set to `SQLSRV_SCROLL_ABSOLUTE` or `SQLSRV_SCROLL_RELATIVE`. Note that the first row in a result set has index 0.

### 返回值

Returns an array on success, `NULL` if there are no more rows to return, and `FALSE` if an error occurs.

### 范例

Example #1 Retrieving an associative array.

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

    $sql = "SELECT FirstName, LastName FROM SomeTable";
    $stmt = sqlsrv_query( $conn, $sql );
    if( $stmt === false) {
        die( print_r( sqlsrv_errors(), true) );
    }

    while( $row = sqlsrv_fetch_array( $stmt, SQLSRV_FETCH_ASSOC) ) {
          echo $row['LastName'].", ".$row['FirstName']."<br />";
    }

    sqlsrv_free_stmt( $stmt);
    ?>

Example #2 Retrieving a numeric array.

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

    $sql = "SELECT FirstName, LastName FROM SomeTable";
    $stmt = sqlsrv_query( $conn, $sql );
    if( $stmt === false) {
        die( print_r( sqlsrv_errors(), true) );
    }

    while( $row = sqlsrv_fetch_array( $stmt, SQLSRV_FETCH_NUMERIC) ) {
          echo $row[0].", ".$row[1]."<br />";
    }

    sqlsrv_free_stmt( $stmt);
    ?>

### 注释

Not specifying the `fetchType` or explicity using the `SQLSRV_FETCH_TYPE` constant in the examples above will return an array that has both associative and numeric keys.

If more than one column is returned with the same name, the last column will take precedence. To avoid field name collisions, use aliases.

If a column with no name is returned, the associative key for the array element will be an empty string ("").

### 参见

- sqlsrv_connect() - Opens a connection to a Microsoft SQL Server database
- sqlsrv_query() - Prepares and executes a query
- sqlsrv_errors() - Returns error and warning information about the last SQLSRV operation performed
- sqlsrv_fetch() - Makes the next row in a result set available for reading