Improved style

src/SearchServices/Parsers/AbstractSearchParser.php

@@ -167,17 +167,18 @@ abstract class AbstractSearchParser
 
 	protected function matches($text, $array)
 	{
-		$transform = function($text)
-		{
-			return str_replace('_', '', strtolower($text));
-		};
-
-		$text = $transform($text);
+		$text = $this->transformText($text);
 		foreach ($array as $elem)
 		{
-			if ($transform($elem) == $text)
+			if ($this->transformText($elem) === $text)
 				return true;
 		}
 		return false;
 	}
+
+	protected function transformText($text)
+	{
+		return str_replace('_', '', strtolower($text));
+	}
+
 }

src/Services/PostSnapshotProvider.php

@@ -106,7 +106,11 @@ class PostSnapshotProvider implements ISnapshotProvider
 
 		sort($data['tags']);
 		sort($data['relations']);
-		usort($data['notes'], function ($note1, $note2) { return $note1['x'] - $note2['x']; });
+		usort($data['notes'],
+			function ($note1, $note2)
+			{
+				return $note1['x'] - $note2['x'];
+			});
 
 		return $data;
 	}

src/Services/TagService.php

@@ -194,10 +194,15 @@ class TagService
 			foreach ($posts as $post)
 			{
 				$newTags = $post->getTags();
-				$newTags = array_filter($newTags, function(Tag $tag) use ($sourceTag) {
+				$newTags[] = $targetTag;
+
+				$newTags = array_filter(
+					$newTags,
+					function(Tag $tag) use ($sourceTag)
+					{
 						return $tag->getId() !== $sourceTag->getId();
 					});
-				$newTags []= $targetTag;
+
 				$post->setTags($newTags);
 				$this->postDao->save($post);
 				$this->postHistoryService->savePostChange($post);