Fix PHP warning

"usort() expects parameter 2 to be a valid callback, non-static method
PlanetFeed::compare() should not be called statically in
moonmoon/custom/views/default/sidebar.tpl.php on line 3"

1 files changed, 8 insertions, 1 deletions

diff --git a/app/classes/PlanetFeed.php b/app/classes/PlanetFeed.php
index f63ac5a..3d2ea2f 100644
--- a/app/classes/PlanetFeed.php
+++ b/app/classes/PlanetFeed.php
@@ -46,7 +46,14 @@ class PlanetFeed extends SimplePie
         return $this->isDown;
     }
 
-    public function compare($person1, $person2)
+    /**
+     * Compare two Person by their name.
+     *
+     * @param  $person1
+     * @param  $person2
+     * @return int
+     */
+    public static function compare($person1, $person2)
     {
         return strcasecmp($person1->name, $person2->name);
     }