Upgrade jQuery to v3.3.1

Author: skydiver

src/MaterializeCSSBuilder.php

@@ -8,12 +8,13 @@ class MaterializeCSSBuilder {
     private static $file_css_min = '/materialize-css/css/materialize.min.css';
     private static $file_js      = '/materialize-css/js/materialize.js';
     private static $file_js_min  = '/materialize-css/js/materialize.min.js';
-    private static $file_jquery  = 'jquery-2.1.1.min.js';
+    private static $jquery_ver   = 'jquery-3.3.1.min.js';
+    private static $jquery_sha   = 'sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=';
 
 
     public static function include_full() {
         $return  = self::include_css();
-        $return .= self::tag_js('https://code.jquery.com/'.self::$file_jquery);
+        $return .= self::tag_js('https://code.jquery.com/'.self::$jquery_ver);
         $return .= self::include_js();
         return $return;
     }
@@ -68,6 +69,10 @@ private static function tag_js($path) {
         return '<script type="text/javascript" src="'.$path.'"></script>';
     }
 
+    private static function jquery_tag_js($path) {
+        return '<script src="'.$path.'" integrity="'.$jquery_sha.'" crossorigin="anonymous"></script>';
+    }
+
 }
 
 ?>