minor changes (#156)

* change order of evaluation

PHP evaluates conditions from left to right
count needs more instructions thus should be on the right side

(probably not necessary, but I'm a perf guy...)

* set a default in case it is not set in confg (to avoid PHP warnings)

Author: tessus

includes/common.inc.php

@@ -115,6 +115,10 @@
   $config['hideEmptyDBs'] = false;
 }
 
+if (!isset($config['showEmptyNamespaceAsKey'])) {
+  $config['showEmptyNamespaceAsKey'] = false;
+}
+
 // Setup a connection to Redis.
 if(isset($server['scheme']) && $server['scheme'] === 'unix' && $server['path']) {
   $redis = new Predis\Client(array('scheme' => 'unix', 'path' => $server['path']));

index.php

@@ -34,7 +34,7 @@
       }
 
       $key = explode($server['seperator'], $key);
-      if ($key[count($key) - 1] == '' && $config['showEmptyNamespaceAsKey']) {
+      if ($config['showEmptyNamespaceAsKey'] && $key[count($key) - 1] == '') {
         array_pop($key);
         $key[count($key) - 1] .= ':';
       }