# mssql_field_type

(PHP 4, PHP 5, PECL odbtp >= 1.1.1)

mssql_field_type — Gets the type of a field

Warning

This function was REMOVED in PHP 7.0.0.

Alternatives to this function include:

- PDOStatement::getColumnMeta()
- sqlsrv_field_metadata()
- odbc_field_type()

### 说明

mssql_field_type ( resource `$result` [, int `$offset` = -1 ] ) : string

Returns the type of field no. `offset` in `result`.

### 参数

`result`

  The result resource that is being evaluated. This result comes from a call to mssql_query().

`offset`

  The field offset, starts at 0. If omitted, the current field is used.

### 返回值

The type of the specified field index on success 或者在失败时返回 `FALSE`.

### 范例

Example #1 mssql_field_type() example

    <?php
    // Connect to MSSQL and select the database
    mssql_connect('MANGO\SQLEXPRESS', 'sa', 'phpfi');
    mssql_select_db('php');

    // Send a select query to MSSQL
    $query = mssql_query('SELECT [name] FROM [php].[dbo].[persons]');

    // Print the field type and length
    echo '\'' . mssql_field_name($query, 0) . '\' is a type of ' .
         strtoupper(mssql_field_type($query, 0)) .
         '(' . mssql_field_length($query, 0) . ')';

    // Free the query result
    mssql_free_result($query);
    ?>

以上例程的输出类似于：

    'name' is a type of CHAR(50)

### 参见

- mssql_field_length() - Get the length of a field
- mssql_field_name() - Get the name of a field