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# pg_get_notify

(PHP 4 >= 4.3.0, PHP 5)

pg_get_notify -- Ping database connection

## Beschreibung

array 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.

## Beispiele

Beispiel 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); } ?>`

## Siehe auch

pg_get_pid()

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