diff --git a/plugins/fipf_wp_plugin/fipf_wp_hooks.php b/plugins/fipf_wp_plugin/fipf_wp_hooks.php
index e23f699..d21675a 100644
--- a/plugins/fipf_wp_plugin/fipf_wp_hooks.php
+++ b/plugins/fipf_wp_plugin/fipf_wp_hooks.php
@@ -26,18 +26,6 @@ include_once(dirname(__FILE__) . '/utils/create_html.php');
 
 function main_shortcode() {
 
-#	# send styles files by name, without extension .css
-#	add_css_to_front( array(
-#		"mystyle",
-#	));
-#
-#	# send scripts files by name, without extension .js
-#	add_scripts_to_front( array(
-#		"myscript",
-#		"myscript2",
-#		"myscript3",
-#	));
-
 	add_files_to_front( array(
 		"mystyle.css",
 		"myscript.js",
@@ -45,17 +33,14 @@ function main_shortcode() {
 		"myscript3.js",
 	));
 
-
 	$myvar_1 = "I am one";
 	$myvar_2 = "I am two";
-	# maybe a future version of php will allow to
-	# get the name of a variable :
-	#   https://wiki.php.net/rfc/nameof
-	# but for now i have to declare both the variable and its name
-	# (more : https://stackoverflow.com/q/255312/9497573)
-	add_var_to_front( array(
-		"myvar_1" => $myvar_1,
-		"myvar_2" => $myvar_2,
+	# compact creates an array containing the variables and their value
+	# as key => value
+	# from an array of variables names as strings
+	add_var_to_front( compact(
+		"myvar_1",
+		"myvar_2",
 	));
 
 	return create_html( array(
diff --git a/plugins/fipf_wp_plugin/utils/add_to_front.php b/plugins/fipf_wp_plugin/utils/add_to_front.php
index 4189b99..9f9c34b 100644
--- a/plugins/fipf_wp_plugin/utils/add_to_front.php
+++ b/plugins/fipf_wp_plugin/utils/add_to_front.php
@@ -31,7 +31,14 @@ function add_files_to_front($files_arr) {
 	}
 }
 
+# this function expect an array of key => value
+# with the key being name of the variable, like this :
+#   'my_var' => 'value',
+# simpler way to do it is to use compact when calling the function :
+#   add_var_to_front(compact("var1", "var2", "var3"));
 function add_var_to_front($var_array) {
+	extract($var_array);
+
 	foreach ($var_array as $key => $var)
 	{
 		$js_var  = 'const ' . $key . ' = ';
diff --git a/plugins/fipf_wp_plugin/utils/create_html.php b/plugins/fipf_wp_plugin/utils/create_html.php
index dec3fe0..652ac6d 100644
--- a/plugins/fipf_wp_plugin/utils/create_html.php
+++ b/plugins/fipf_wp_plugin/utils/create_html.php
@@ -1,10 +1,5 @@
 <?php
 
-function template($file) {
-	$template_dir_path = plugin_dir_path(__DIR__).'html/templates/';
-	include($template_dir_path.$file);
-}
-
 # using ob_start() and ob_get_clean()
 # allows to have php expansion inside the html loaded
 # in opposition to the methode file_get_contents()