Hướng dẫn dùng field flags trong PHP

[PHP 4, PHP 5]

mysql_field_flags — Get the flags associated with the specified field in a result

Description

mysql_field_flags[resource $result, int $field_offset]: string|false

Parameters

The result resource that is being evaluated. This result comes from a call to mysql_query[].

The numerical field offset. The field_offset starts at 0. If field_offset does not exist, an error of level E_WARNING is also issued.

Return Values

Returns a string of flags associated with the result or false on failure.

The following flags are reported, if your version of MySQL is current enough to support them: "not_null", "primary_key", "unique_key", "multiple_key", "blob", "unsigned", "zerofill", "binary", "enum", "auto_increment" and "timestamp".

Examples

Example #1 A mysql_field_flags[] example