(PHP 4 >= 4.3.0, PHP 5)
pg_update — Update table
pg_update() updates records that matches condition with data. If options is specified, pg_convert() is applied to data with specified options.
Denne funktion er EKSPERIMENTABEL. Virkemåden af denne funktion, navnet på funktionen, og andet ellers dokumenteret om denne funktion, ændres muligvis uden advarsel i en fremtidig version af PHP. Brug af denne funktion er på ejet ansvar.
PostgreSQL database connection resource.
Name of the table into which to update rows.
An array whose keys are field names in the table table_name , and whose values are what matched rows are to be updated to.
An array whose keys are field names in the table table_name , and whose values are the conditions that a row must meet to be updated.
Any number of PGSQL_CONV_OPTS, PGSQL_DML_NO_CONV, PGSQL_DML_EXEC or PGSQL_DML_STRING combined. If PGSQL_DML_STRING is part of the options then query string is returned.
Returnerer TRUE ved succes, FALSE ved fejl. Returns string if PGSQL_DML_STRING is passed via options .
Example#1 pg_update() example
<?php
$db = pg_connect('dbname=foo');
$data = array('field1'=>'AA', 'field2'=>'BB');
// This is safe, since $_POST is converted automatically
$res = pg_update($db, 'post_log', $_POST, $data);
if ($res) {
echo "Data is updated: $res\n";
} else {
echo "User must have sent wrong inputs\n";
}
?>