Use custom placeholder instead of insert tag like syntax

Author: dmolineus

README.md

@@ -6,19 +6,18 @@ Show articles within navigation menus.
 Articles can be configured within the page structure and can be selected per page and module. So it is possible to use 
 different articles for different navigations modules displaying the same page.
 
-**The "nav_bbit_navi_art" or another proper customized navigation template is required in order to display the 
+**The "nav_hofff_navi_art" or another proper customized navigation template is required in order to display the 
 associated articles.**
 
 **Navigation sublevels can be inserted at the desired position within
-the article by using the insert tag {{bbit_navi_art}} in the
-article.**
+the article by using the placeholder `##hofff_navi_art##` in the article.**
 
 
 Configuration
 -------------
 
 By default, only articles marked as "reference article" are provided as article options. You can disable it if you want
-to see all available articles by adding following configuration to your `config.yml`:
+to see all available articles by adding the following configuration to your `config.yaml`:
 
 ```yaml
 hofff_contao_navigation_article:

src/Resources/contao/languages/de/tl_module.php

@@ -9,5 +9,5 @@
     'Das "nav_hofff_navi_art" oder ein '
     . 'selbst angepasstes Navigationstemplate wird für diese Funktion '
     . 'benötigt. Im zugeordneten Artikel wird das Insert-Tag '
-    . '"{{hofff_navi_art}}" durch die nächste Navigationsebene ersetzt.',
+    . '"##hofff_navi_art##" durch die nächste Navigationsebene ersetzt.',
 ];

src/Resources/contao/languages/en/tl_module.php

@@ -11,5 +11,5 @@
     . 'proper customized navigation template is required in order to '
     . 'display the associated articles. Navigation sublevels can be '
     . 'inserted at the desired position within the article by using the '
-    . 'insert tag "{{hofff_navi_art}}" in the article.',
+    . 'insert tag "##hofff_navi_art##" in the article.',
 ];

src/Resources/contao/templates/nav_hofff_navi_art.html5

@@ -2,7 +2,7 @@
   <?php foreach ($this->items as $item):
     ?><?php if (empty($item['subitems']) && !empty($item['hofff_navi_art'])) $item['class'] = trim($item['class'] . ' submenu');
     ?><?php if ($item['isActive'] ?? false):
-    ?><li class="active <?php if($item['class']) echo $item['class']; ?>"><strong class="<?php if($item['isActive']) echo 'active '; if($item['class']) echo $item['class']; ?>"<?php if (!empty($item['subitems']) || (!empty($item['hofff_navi_art']))) echo ' aria-haspopup="true"'; ?>><span itemprop="name"><?= $item['link'] ?></span></strong><?php if(!empty($item['hofff_navi_art'])) echo ('<div class="sublevel">'), str_replace('{{hofff_navi_art}}', $item['subitems'] ?? '', $item['hofff_navi_art'] ?? ''), ('</div>'); else echo $item['subitems'] ?? '';
+    ?><li class="active <?php if($item['class']) echo $item['class']; ?>"><strong class="<?php if($item['isActive']) echo 'active '; if($item['class']) echo $item['class']; ?>"<?php if (!empty($item['subitems']) || (!empty($item['hofff_navi_art']))) echo ' aria-haspopup="true"'; ?>><span itemprop="name"><?= $item['link'] ?></span></strong><?php if(!empty($item['hofff_navi_art'])) echo ('<div class="sublevel">'), str_replace('##hofff_navi_art##', $item['subitems'] ?? '', $item['hofff_navi_art'] ?? ''), ('</div>'); else echo $item['subitems'] ?? '';
     ?></li
     ><?php else:
       ?><li<?php if ($item['class']) echo ' class="' . $item['class'] . '"'; ?>
@@ -17,7 +17,7 @@
           ><span itemprop="name"><?= $item['link']
         ?></span
         ></a
-        ><?php if(!empty($item['hofff_navi_art'])) echo ('<div class="sublevel">'), str_replace('{{hofff_navi_art}}', $item['subitems'] ?? '', $item['hofff_navi_art'] ?? ''), ('</div>'); else echo $item['subitems'] ?? '';
+        ><?php if(!empty($item['hofff_navi_art'])) echo ('<div class="sublevel">'), str_replace('##hofff_navi_art##', $item['subitems'] ?? '', $item['hofff_navi_art'] ?? ''), ('</div>'); else echo $item['subitems'] ?? '';
       ?></li
     ><?php endif;
   ?><?php endforeach; ?>