Remove empty self closing tags by default

src/Transformer.php

@@ -63,14 +63,25 @@ protected function processListType(string $data, $list_type, $replacement_tag)
         return $data;
     }
 
-    public function replaceTags(string $data, $tag, $replacement_tag) : string
+    public function replaceTags(string $data, $tag, $replacement_tag, $keep_self_closing_tags = false) : string
     {
-        $data = str_replace('<' . $tag . '>', '<' . $replacement_tag . '>', $data);
-        $data = str_replace('</' . $tag . '>', '</' . $replacement_tag . '>', $data);
+        $data = str_replace(
+            ['<' . $tag . '>', '</' . $tag . '>'],
+            ['<' . $replacement_tag . '>', '</' . $replacement_tag . '>'],
+            $data
+        );
         // Also self closing tags in a couple of variations.
-        $self_closing_replacement = '<' . $replacement_tag . ' />';
-        $data = str_replace('<' . $tag . ' />', $self_closing_replacement, $data);
-        $data = str_replace('<' . $tag . '/>', $self_closing_replacement, $data);
+        $self_closing_replacement = '';
+        if ($keep_self_closing_tags) {
+            $self_closing_replacement = '<' . $replacement_tag . '>';
+        }
+        $data = str_replace(
+            [
+            '<' . $tag . ' />',
+            '<' . $tag . '/>'],
+            [$self_closing_replacement, $self_closing_replacement],
+            $data
+        );
         return $data;
     }
 

tests/assets/cases.json

@@ -18,5 +18,17 @@
   {
     "input": "<p><italic>The course is designed for those who are at or want to reach a high level in cross-country skiing and biathlon as an athlete or coach. This is a flexible course in sports where the teaching is digital and assembly-based.</italic></p><p><italic>The course gives you theoretical and practical competence to develop yourself to a high international level and, simultaneously, an education that qualifies you to work as a coach at club, regional and national team levels. The study combines theory and practice, which gives a comprehensive understanding of conditions that affect participation, development and learning at all levels, from children's to elite sports. Emphasis is placed on the development of practical pedagogical competence and critical thinking around today's best practice, theory, and the role of trainer.</italic></p><p>The unique thing about the course is that the academics are closely linked to your development as an athlete and are tailored so that you can combine top sports and studies.</p><p> </p>",
     "expected": "<p><em>The course is designed for those who are at or want to reach a high level in cross-country skiing and biathlon as an athlete or coach. This is a flexible course in sports where the teaching is digital and assembly-based.</em></p><p><em>The course gives you theoretical and practical competence to develop yourself to a high international level and, simultaneously, an education that qualifies you to work as a coach at club, regional and national team levels. The study combines theory and practice, which gives a comprehensive understanding of conditions that affect participation, development and learning at all levels, from children's to elite sports. Emphasis is placed on the development of practical pedagogical competence and critical thinking around today's best practice, theory, and the role of trainer.</em></p><p>The unique thing about the course is that the academics are closely linked to your development as an athlete and are tailored so that you can combine top sports and studies.</p>"
+  },
+  {
+    "input": "<p>You know, they say when you talk to God it's prayer, but when God talks to you, it's schizophrenia.<bold/></p>",
+    "expected": "<p>You know, they say when you talk to God it's prayer, but when God talks to you, it's schizophrenia.</p>"
+  },
+  {
+    "input": "<p>You know, they say when you talk to God it's prayer, but when God talks to you, it's schizophrenia.<bold /></p>",
+    "expected": "<p>You know, they say when you talk to God it's prayer, but when God talks to you, it's schizophrenia.</p>"
+  },
+  {
+    "input": "<p>You know, they say when you talk to God it's prayer, but when God talks to you, it's schizophrenia.<bold/></p>",
+    "expected": "<p>You know, they say when you talk to God it's prayer, but when God talks to you, it's schizophrenia.</p>"
   }
 ]