mssql_field_length

(PHP 4, PHP 5, PECL odbtp:1.1.1-1.1.4)

mssql_field_length — Get the length of a field

说明

int mssql_field_length ( resource $result [, int $offset ] )

Returns the length of field no. offset in result .

参数

result: The result resource that is being evaluated. This result comes from a call to mssql_query().
offset: The field offset, starts at 0. If omitted, the current field is used.

返回值

The length of the specified field index on success, or FALSE on failure.

注释

Note: Note to Win32 Users Due to a limitation in the underlying API used by PHP (MS DbLib C API), the length of VARCHAR fields is limited to 255. If you need to store more data, use a TEXT field instead.

参见

mssql_field_name()
mssql_field_type()