added switch on off for server console log

plugins/wp_model_plugin/utils/create_html.php

@@ -0,0 +1,25 @@
+<?php
+
+# using ob_start() and ob_get_clean()
+# allows to have php expansion inside the html loaded
+# in opposition to the methode file_get_contents()
+#
+# https://stackoverflow.com/a/4402045/9497573
+
+# takes two arguments :
+# a list of the html files to include in front
+# a list of variables to make available to this files
+function create_html($files, $vars) {
+	$html_dir = plugin_dir_path(__DIR__).'html/';
+	extract($vars);
+
+	ob_start();
+	foreach($files as $file) {
+		include($html_dir.$file);
+	}
+	$html = ob_get_clean();
+
+	return $html;
+}
+
+?>