(PHP 4, PHP 5, PECL odbtp >= 1.1.1)
mssql_fetch_field — Get field information
$result
[, int $field_offset = -1
] )mssql_fetch_field() can be used in order to obtain information about fields in a certain query result.
result
The result resource that is being evaluated. This result comes from a call to mssql_query().
field_offset
The numerical field offset. If the field offset is not specified, the
next field that was not yet retrieved by this function is retrieved. The
field_offset starts at 0.
Returns an object containing field information.
The properties of the object are:
Example #1 mssql_fetch_field() 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
$query = mssql_query('SELECT * FROM [php].[dbo].[persons]');
// Construct table
echo '<h3>Table structure for \'persons\'</h3>';
echo '<table border="1">';
// Table header
echo '<thead>';
echo '<tr>';
echo '<td>Field name</td>';
echo '<td>Data type</td>';
echo '<td>Max length</td>';
echo '</tr>';
echo '</thead>';
// Dump all fields
echo '<tbody>';
for ($i = 0; $i < mssql_num_fields($query); ++$i) {
// Fetch the field information
$field = mssql_fetch_field($query, $i);
// Print the row
echo '<tr>';
echo '<td>' . $field->name . '</td>';
echo '<td>' . strtoupper($field->type) . '</td>';
echo '<td>' . $field->max_length . '</td>';
echo '</tr>';
}
echo '</tbody>';
echo '</table>';
// Free the query result
mssql_free_result($query);
?>