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msg_receive> <msg_get_queue
[edit] Last updated: Sat, 07 Jan 2012

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msg_queue_exists

(PHP 5 >= 5.3.0)

msg_queue_existsCheck whether a message queue exists

설명

bool msg_queue_exists ( int $key )

Checks whether the message queue key exists.

인수

key

Queue key.

반환값

성공할 경우 TRUE를, 실패할 경우 FALSE를 반환합니다.

참고



add a note add a note User Contributed Notes msg_queue_exists
michael dot hajuu at gmail dot com 09-Mar-2011 05:01
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++;
}
?>
jaredm 10-Dec-2009 04:31
A workaround for those not yet running 5.3 on *nix:

<?php
function queue_exists($key) {
    if(
function_exists("msg_queue_exists")) {
        return
msg_queue_exists($key);
    } else {
       
$aQueues = array();
       
exec("ipcs -q | grep \"^[0-9]\" | cut -d \" \" -f 1", $aQueues);
        if(
in_array($key,$aQueues)) return true;
        else return
false;
    }
}
?>

Maybe a bit slow and kludgey, but it works.

 
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