int pg_field_is_null ( resource result, int row, mixed field )
pg_field_is_null() tests if a field is NULL or
not. It returns 1 if the field in the given row is NULL. It
returns 0 if the field in the given row is NOT NULL. Field can
be specified as column index (number) or fieldname (string). Row
numbering starts at 0.
Note:
This function used to be called pg_fieldisnull().
Examples
Example 1. pg_field_is_null() example
<?php $dbconn = pg_connect("dbname=publisher") or die ("Could not connect"); $res = pg_query($dbconn, "select * from authors where author = 'Orwell'"); if ($res) { if (pg_field_is_null($res, 0, "year") == 1) { echo "The value of the field year is null.\n"; } if (pg_field_is_null($res, 0, "year") == 0) { echo "The value of the field year is not null.\n"; } } ?>
