feat: add option: showHeader

Resolves #42

Signed-off-by: Jack Cherng <jfcherng@gmail.com>

Author: jfcherng

README.md

@@ -97,6 +97,8 @@ $rendererOptions = [
     'lineNumbers' => true,
     // show a separator between different diff hunks in HTML renderers
     'separateBlock' => true,
+    // show the (table) header
+    'showHeader' => true,
     // the frontend HTML could use CSS "white-space: pre;" to visualize consecutive whitespaces
     // but if you want to visualize them in the backend with " ", you can set this to true
     'spacesToNbsp' => false,

example/demo_base.php

@@ -33,6 +33,8 @@
     'lineNumbers' => true,
     // show a separator between different diff hunks in HTML renderers
     'separateBlock' => true,
+    // show the (table) header
+    'showHeader' => true,
     // the frontend HTML could use CSS "white-space: pre;" to visualize consecutive whitespaces
     // but if you want to visualize them in the backend with " ", you can set this to true
     'spacesToNbsp' => false,

src/Renderer/Html/Combined.php

@@ -56,6 +56,10 @@ protected function redererChanges(array $changes): string
      */
     protected function renderTableHeader(): string
     {
+        if (!$this->options['showHeader']) {
+            return '';
+        }
+
         return
             '<thead>' .
                 '<tr>' .

src/Renderer/Html/Inline.php

@@ -45,6 +45,10 @@ protected function redererChanges(array $changes): string
      */
     protected function renderTableHeader(): string
     {
+        if (!$this->options['showHeader']) {
+            return '';
+        }
+
         $colspan = $this->options['lineNumbers'] ? '' : ' colspan="2"';
 
         return

src/Renderer/Html/SideBySide.php

@@ -45,6 +45,10 @@ protected function redererChanges(array $changes): string
      */
     protected function renderTableHeader(): string
     {
+        if (!$this->options['showHeader']) {
+            return '';
+        }
+
         $colspan = $this->options['lineNumbers'] ? ' colspan="2"' : '';
 
         return