Row number in result to fetch. Rows are numbered from 0 upwards. If omitted,
current row is fetched.
field
Field number (starting from 0) as an integer or
the field name as a string.
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.
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"; } } ?>
