## Example

`

     int pg_field_is_null ( resource $result , int $row , mixed $field )

`

## Description

pg_field_is_null() tests if a field in a PostgreSQL result resource is SQL NULL or not. Note: This function used to be called pg_fieldisnull().

## Return Values

Returns 1 if the field in the given row is SQL NULL, 0 if not. FALSE is returned if the row is out of range, or upon any other error.