|
Последние активные темы форума |
|
pg_get_notify
(PHP 4 >= 4.3.0, PHP 5) pg_get_notify -- Ping database connection
Descriptionarray pg_get_notify ( resource connection [, int result_type] ) pg_get_notify() gets notify message sent by
NOTIFY SQL command. To receive notify
messages, LISTEN SQL command must be
issued. If there is notify message on the connection, array
contains message name and backend PID is returned. If there is no
message, FALSE is returned.
Смотрите также pg_get_pid()
Пример 1. PostgreSQL NOTIFY message
<?php
$conn
=
pg_pconnect
(
"dbname=publisher"
);
if (!
$conn
) {
echo
"An error occured.\n"
;
exit;
}
// Listen 'author_updated' message from other processes
pg_query
(
$conn
,
'LISTEN author_updated;'
);
$notify
=
pg_get_notify
(
$conn
);
if (!
$notify
) {
echo
"No messages\n"
;
} else {
print_r
(
$notify
);
}
?>
|
|
|