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msg_queue_exists

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

msg_queue_exists — Check whether a message queue exists

Description

msg_queue_exists(int $key): bool

Checks whether the message queue key exists.

Parameters

key: Queue key.

Return Values

Returns true on success or false on failure.

See Also

msg_remove_queue() - Destroy a message queue
msg_receive() - Receive a message from a message queue
msg_stat_queue() - Returns information from the message queue data structure

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User Contributed Notes

michael dot hajuu at gmail dot com

14 years ago

A simple script for checking what message queues are in use on a [presumably new] server environment.



Run with php-cli



<?php

$k = 0;

while (true) {

  echo $key,"...\r";

  if (msg_queue_exists($key))

   echo "\r",$key,'::Exists',"\n";

   $key++;

}

?>