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>pg_get_notify</H1
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><P
> (PHP 4 >= 4.3.0)</P
>pg_get_notify -- Ping database connection</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN63995"
></A
><H2
>Description</H2
>array <B
CLASS="methodname"
>pg_get_notify</B
> ( resource connection [, int result_type])<BR
></BR
><P
> <B
CLASS="function"
>pg_get_notify()</B
> gets notify message sent by
<TT
CLASS="literal"
>NOTIFY</TT
> SQL command. To recieve nofigy
messages, <TT
CLASS="literal"
>LISTEN</TT
> 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, <TT
CLASS="constant"
><B
>FALSE</B
></TT
> is returned.
</P
><P
> See also <A
HREF="function.pg-get-pid.html"
><B
CLASS="function"
>pg_get_pid()</B
></A
>
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><P
><B
>Ejemplo 1. PostgreSQL NOTIFY message</B
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><PRE
CLASS="php"
><?php
$conn = pg_pconnect ("dbname=publisher");
if (!$conn) {
echo "An error occured.\n";
exit;
}
// Listen 'author_updated' message from other processes
pq_query($conn, 'LISTEN author_updated;');
$notify = pg_get_notify($conn);
if (!$notify)
print("No messages\n");
else
print_r($notify);
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