move memcache connections to util.php

darcs-hash:20080926200102-5ed1f-debbc18981424d7724277ac82e5fbfd5e797090e.gz

1 files changed, 21 insertions, 1 deletions

diff --git a/lib/util.php b/lib/util.php
index 621fdc137..20fe4ced6 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -1727,4 +1727,24 @@ function common_message_form($content, $user, $to) {
 	
 	common_element_end('p');
 	common_element_end('form');
-}
\ No newline at end of file
+}
+
+function common_memcache() {
+	static $cache = NULL;
+	if (!common_config('memcached', 'enabled')) {
+		return NULL;
+	} else {
+		if (!$cache) {
+			$cache = new Memcache();
+			$servers = common_config('memcached', 'server');
+			if (is_array($servers)) {
+				foreach($servers as $server) {
+					$cache->addServer($server);
+				}
+			} else {
+				$cache->addServer($servers);
+			}
+		}
+		return $cache;
+	}
+}