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pg_fetch_result (PHP 4 >= 4.2.0, PHP 5) pg_fetch_result -- Returns values from a result resource Descriptionstring pg_fetch_result ( resource result, int row, mixed field ) string pg_fetch_result ( resource result, mixed field )
pg_fetch_result() returns the value of a particular
row and field (column) in a PostgreSQL result resource.
Parameters
- result
PostgreSQL query result resource, returned by pg_query(),
pg_query_params() or pg_execute()
(among others).
- row
Row number in result to fetch. Rows are numbered from 0 upwards. If omitted,
next row is fetched.
- field
A string representing the name of the field (column) to fetch, otherwise
and int representing the field number to fetch. Fields are
numbered from 0 upwards.
Return Values
Boolean is returned as "t" or "f". All
other types, including arrays are returned as strings formatted
in the same default PostgreSQL manner that you would see in the
psql program. Database NULL
values are returned as NULL.
FALSE is returned if row exceeds the number
of rows in the set, or on any other error.
Examples
Example 1. pg_fetch_result() example <?php
$db = pg_connect("dbname=users user=me") || die();
$res = pg_query($db, "SELECT 1 UNION ALL SELECT 2");
$val = pg_fetch_result($res, 1, 0);
echo "First field in the second row is: ", $val, "\n";
?> |
The above example will output: First field in the second row is: 2 |
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