maxdb_fetch_field
result->fetch_field
Returns the next field in the result set
Description
Procedural style:
mixedmaxdb_fetch_field
resourceresult
Object oriented style (method):
result
mixedfetch_field
The maxdb_fetch_field returns the definition of one column
of a result set as an resource. Call this function repeatedly to retrieve
information about all columns in the result set.
maxdb_fetch_field returns &false; when no more fields
are left.
Return values
Returns an resource which contains field definition informations or &false; if no field information
is available.
Object properties
Property
Description
name
The name of the column
max_length
The maximum width of the field for the result set.
type
The data type used for this field
decimals
The number of decimals used (for integer fields)
See also
maxdb_num_fields
maxdb_fetch_field_direct
maxdb_fetch_fields
maxdb_field_seek
Example
Object oriented style
query($query)) {
/* Get field information for all columns */
while ($finfo = $result->fetch_field()) {
printf("Name: %s\n", $finfo->name);
printf("Table: %s\n", $finfo->table);
printf("max. Len: %d\n", $finfo->max_length);
printf("Flags: %d\n", $finfo->flags);
printf("Type: %d\n\n", $finfo->type);
}
$result->close();
}
/* close connection */
$maxdb->close();
?>
]]>
Procedural style
name);
printf("Table: %s\n", $finfo->table);
printf("max. Len: %d\n", $finfo->max_length);
printf("Flags: %d\n", $finfo->flags);
printf("Type: %d\n\n", $finfo->type);
}
maxdb_free_result($result);
}
/* close connection */
maxdb_close($link);
?>
]]>
The above examples would produce the following output: