Php/docs/function.odbc-field-len

• PHP Manual
• ODBC 函数
• Get the length (precision) of a field

odbc_field_len

(PHP 4, PHP 5, PHP 7)

odbc_field_len — Get the length (precision) of a field

说明

odbc_field_len ( resource $result_id , int $field_number ) : int

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_field_scale() - Get the scale of a field to get the scale of a floating point number