[TASK] Hide LastSearches facet if no history is present

Change-Id: I4f0855e5a353f3f1a3480df2b856abdd42fbe793

Author: botweb

PiResults/LastSearchesCommand.php

@@ -69,8 +69,13 @@ public function execute() {
 			return NULL;
 		}
 
+		$lastSearches = $this->getLastSearches();
+		if(empty($lastSearches)) {
+			return NULL;
+		}
+		
 		$marker = array(
-			'loop_lastsearches|lastsearch' => $this->getLastSearches()
+			'loop_lastsearches|lastsearch' => $lastSearches
 		);
 
 		return $marker;