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-rw-r--r--engine/lib/memcache.php25
1 files changed, 25 insertions, 0 deletions
diff --git a/engine/lib/memcache.php b/engine/lib/memcache.php
index 8afef6302..ec3ebc783 100644
--- a/engine/lib/memcache.php
+++ b/engine/lib/memcache.php
@@ -213,4 +213,29 @@
$this->save_persistent_keylist();
}*/
}
+
+ /**
+ * Return true if memcache is available and configured.
+ *
+ * @return bool
+ */
+ function is_memcache_available()
+ {
+ global $CONFIG;
+
+ static $memcache_available;
+
+ if ((!isset($CONFIG->memcache)) || (!$CONFIG->memcache))
+ return false;
+
+ if (($memcache_available!==true) && ($memcache_available!==false)) // If we haven't set variable to something
+ {
+ try {
+ $tmp = new ElggMemcache();
+ $memcache_available = true; // No exception thrown so we have memcache available
+ } catch (Exception $e) { $memcache_available = false; }
+ }
+
+ return $memcache_available;
+ }
?> \ No newline at end of file