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# pg_get_notify

(PHP 4 >= 4.3.0, PHP 5)

pg_get_notify -- Ping database connection

## Description

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.

See also pg_get_pid()

예 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); } ?>`

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pg_free_result | 위로 | pg_get_pid