Correct relevance calculation code and added time

Author: Jordan Hall

src/Search.php

@@ -102,6 +102,8 @@ private function buildSearchTerms($term) {
 
     public function query($term, $limit = PHP_INT_MAX) {
 
+        $startMicrotime = microtime(true);
+
         $this->sanityCheck();
 
         $terms = $this->buildSearchTerms($term);
@@ -178,6 +180,7 @@ public function query($term, $limit = PHP_INT_MAX) {
         }
 
         $searchResults->calculateRelevances();
+        $searchResults->time = microtime(true) - $startMicrotime;
 
         return $searchResults;
 

src/SearchResults.php

@@ -10,14 +10,15 @@ class SearchResults {
     public $highestRelevance = null;
     public $lowestRelevance = null;
     public $averageRelevance = null;
+    public $time = null;
 
     public function addSearchResult(SearchResult $searchResult) {
         $this->results[] = $searchResult;
     }
 
     public function calculateRelevances() {
 
-        if (!$results) {
+        if (!$this->results) {
             return;
         }
 
@@ -26,7 +27,7 @@ public function calculateRelevances() {
 
         $relevances = [];
 
-        foreach($results as $result) {
+        foreach($this->results as $result) {
             if ($result->relevance < $this->lowestRelevance) {
                 $this->lowestRelevance = $result->relevance;
             }