(PHP 4, PHP 5, PECL odbtp >= 1.1.1)
mssql_field_type — Gets the type of a field
Returns the type of field no. offset in result.
The result resource that is being evaluated. This result comes from a call to mssql_query().
The field offset, starts at 0. If omitted, the current field is used.
The type of the specified field index on success 或者在失败时返回 FALSE.
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)