rewrite some code of added overview_filter feature

Use less variables, less code.

1 files changed, 4 insertions, 7 deletions

diff --git a/inc/collectd.inc.php b/inc/collectd.inc.php
index e8f3662..ad15774 100644
--- a/inc/collectd.inc.php
+++ b/inc/collectd.inc.php
@@ -154,15 +154,12 @@ function graphs_from_plugin($host, $plugin, $overview=false) {
         $plugindata = group_plugindata($plugindata);
         $plugindata = plugin_sort($plugindata);
 
-        $f = array();
-
-        if ($overview == true && isset($CONFIG['overview_filter'][$plugin])) {
-                $f = $CONFIG['overview_filter'][$plugin];
-        }
-
         foreach ($plugindata as $items) {
 
-                if (!empty($f) && ($f !== array_intersect_assoc($f, $items))) {
+                if (
+                        $overview && isset($CONFIG['overview_filter'][$plugin]) &&
+                        $CONFIG['overview_filter'][$plugin] !== array_intersect_assoc($CONFIG['overview_filter'][$plugin], $items)
+                ) {
                         continue;
                 }