php man page for mssql_fetch_field

MSSQL_FETCH_FIELD(3)													      MSSQL_FETCH_FIELD(3)

mssql_fetch_field - Get field information

SYNOPSIS
       object mssql_fetch_field (resource  $result, [int  $field_offset = -1])

DESCRIPTION
       mssql_fetch_field(3) can be used in order to obtain information about fields in a certain query result.

PARAMETERS
	      o $result
		- The result resource that is being evaluated. This result comes from a call to mssql_query(3).

	      o $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.

RETURN VALUES
	Returns an object containing field information.

	The properties of the object are:

	      o name - column name. if the column is a result of a function, this property is set to computed#N, where #N is a serial number.

	      o column_source - the table from which the column was taken

	      o max_length - maximum length of the column

	      o numeric - 1 if the column is numeric

	      o type - the column type.

EXAMPLES
       Example #1

	      mssql_fetch_field(3) example

	      <?php
	      // Connect to MSSQL and select the database
	      mssql_connect('MANGOSQLEXPRESS', '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);
	      ?>

SEE ALSO
       mssql_field_seek(3).

PHP Documentation Group 												      MSSQL_FETCH_FIELD(3)