diff --git a/includes/utilities.php b/includes/utilities.php
index a450408..698d7a8 100644
--- a/includes/utilities.php
+++ b/includes/utilities.php
@@ -46,3 +46,82 @@ function count_user_articles($userID, $postType)
 	$query = new WP_Query($args);
 	return $query->found_posts;
 }
+
+
+function build_sommaire_from_content($postID)
+{
+	$blocks = parse_blocks(get_the_content($postID));
+	$titleBlocks = array_filter(
+		$blocks,
+		function ($block) {
+			return $block['blockName'] === 'core/heading' && isset($block['attrs']['level']) && in_array($block['attrs']['level'], array(2, 3), true);
+		}
+	);
+
+	$outputIndex = [];
+
+	foreach ($titleBlocks as $block) {
+		$title = strip_tags($block['innerHTML']);
+		$anchor = $block['attrs']['idName'] ?? sanitize_title($title);
+		$level = $block['attrs']['level'];
+
+		$outputIndex[] = [
+			'title' => $title,
+			'anchor' => $anchor,
+		];
+	}
+
+
+
+	return $outputIndex;
+}
+
+
+function build_footnotes_index_from_content($content)
+{
+	if (empty($content)) {
+		return [];
+	}
+
+	$footnotes = [];
+	$dom = new DOMDocument();
+	// On supprime les erreurs de parsing pour le HTML5
+	@$dom->loadHTML(mb_convert_encoding($content, 'HTML-ENTITIES', 'UTF-8'), LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
+
+	$links = $dom->getElementsByTagName('a');
+	foreach ($links as $key => $link) {
+		if ($link->hasAttribute('class') && strpos($link->getAttribute('class'), 'footnote-reference') !== false) {
+			$footnote_content = $link->getAttribute('footnote-content');
+			if (!empty($footnote_content)) {
+				$footnotes[] = array(
+					'key' => $key + 1,
+					'anchorID' => $key + 1,
+					'content' => $footnote_content
+				);
+			}
+		}
+	}
+
+	return $footnotes;
+}
+
+add_filter('the_content', 'apply_footnotes_urls_to_content', 10);
+
+function apply_footnotes_urls_to_content($content)
+{
+	$post_type = get_post_type();
+	if ($post_type !== 'articles' && !is_admin()) return $content;
+
+	$footnotes = build_footnotes_index_from_content($content);
+	$dom = new DOMDocument();
+	@$dom->loadHTML(mb_convert_encoding($content, 'HTML-ENTITIES', 'UTF-8'), LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
+
+	$links = $dom->getElementsByTagName('a');
+	foreach ($links as $key => $link) {
+		if ($link->hasAttribute('class') && strpos($link->getAttribute('class'), 'footnote-reference') !== false) {
+			$link->setAttribute('id', 'footnote-' . $key + 1);
+		}
+	}
+
+	return $dom->saveHTML();
+}