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pg_free_result

pg_free_result

(PHP 4 >= 4.2.0, PHP 5)

pg_free_result -- Free result memory

Popis

bool pg_free_result ( resource result )

pg_free_result() frees the memory and data associated with the specified PostgreSQL query result resource.

This function need only be called if memory consumption during script execution is a problem. Otherwise, all result memory will be automatically freed when the script ends.

Poznámka: This function used to be called pg_freeresult().

Seznam parametrů

result

PostgreSQL query result resource, returned by pg_query(), pg_query_params() or pg_execute() (among others).

Návratové hodnoty

Vrací TRUE při úspěchu, FALSE při selhání.

Příklady

Příklad 1. pg_free_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";

pg_free_result($res);
?>

Výše uvedený příklad vypíše:

First field in the second row is: 2