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<?php
/**
* Elgg memcache support.
*
* Requires php5-memcache to work.
*
* @package Elgg.Core
* @subpackage Cache.Memcache
*/
/**
* Return true if memcache is available and configured.
*
* @return bool
*/
function is_memcache_available() {
global $CONFIG;
static $memcache_available;
if ((!isset($CONFIG->memcache)) || (!$CONFIG->memcache)) {
return false;
}
// If we haven't set variable to something
if (($memcache_available !== true) && ($memcache_available !== false)) {
try {
$tmp = new ElggMemcache();
// No exception thrown so we have memcache available
$memcache_available = true;
} catch (Exception $e) {
$memcache_available = false;
}
}
return $memcache_available;
}
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