ODBC 函数
PHP Manual

odbc_field_len

(PHP 4, PHP 5, PHP 7)

odbc_field_lenGet the length (precision) of a field

说明

int odbc_field_len ( resource $result_id , int $field_number )

Gets the length of the field referenced by number in the given result identifier.

参数

result_id

The result identifier.

field_number

The field number. Field numbering starts at 1.

返回值

Returns the field length, or FALSE on error.

参见


ODBC 函数
PHP Manual