mssql_fetch_fieldGet field information
&reftitle.description;
objectmssql_fetch_fieldresourceresultintfield_offset-1mssql_fetch_field can be used in order to
obtain information about fields in a certain query result.
&reftitle.parameters;
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.
&reftitle.returnvalues;
Returns an object containing field information.
The properties of the object are:
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.
column_source - the table from which the column was taken
max_length - maximum length of the column
numeric - 1 if the column is numeric
type - the column type.
&reftitle.examples;
<function>mssql_fetch_field</function> example
Table structure for \'persons\'';
echo '
';
// Table header
echo '';
echo '
';
echo '
Field name
';
echo '
Data type
';
echo '
Max length
';
echo '
';
echo '';
// Dump all fields
echo '';
for ($i = 0; $i < mssql_num_fields($query); ++$i) {
// Fetch the field information
$field = mssql_fetch_field($query, $i);
// Print the row
echo '
';
echo '
' . $field->name . '
';
echo '
' . strtoupper($field->type) . '
';
echo '
' . $field->max_length . '
';
echo '
';
}
echo '';
echo '
';
// Free the query result
mssql_free_result($query);
?>
]]>
&reftitle.seealso;
mssql_field_seek