mysql_fetch_field Get column information from a result and return as an object Description objectmysql_fetch_field resourceresult int field_offset Returns an object containing field information. mysql_fetch_field can be used in order to obtain information about fields in a certain query result. If the field offset isn't specified, the next field that wasn't yet retrieved by mysql_fetch_field is retrieved. The properties of the object are: name - column name table - name of the table the column belongs to max_length - maximum length of the column not_null - 1 if the column cannot be &null; primary_key - 1 if the column is a primary key unique_key - 1 if the column is a unique key multiple_key - 1 if the column is a non-unique key numeric - 1 if the column is numeric blob - 1 if the column is a BLOB type - the type of the column unsigned - 1 if the column is unsigned zerofill - 1 if the column is zero-filled &database.field-case; <function>mysql_fetch_field</function> example \n"; $meta = mysql_fetch_field($result, $i); if (!$meta) { echo "No information available
\n"; } echo "
blob:         $meta->blob
max_length:   $meta->max_length
multiple_key: $meta->multiple_key
name:         $meta->name
not_null:     $meta->not_null
numeric:      $meta->numeric
primary_key:  $meta->primary_key
table:        $meta->table
type:         $meta->type
unique_key:   $meta->unique_key
unsigned:     $meta->unsigned
zerofill:     $meta->zerofill
"; $i++; } mysql_free_result($result); ?> ]]>
See also mysql_field_seek.