Fixes #6852: Added `yii\helpers\BaseHtmlPurifier::helpers()` in order to be able…

framework/CHANGELOG.md

@@ -10,6 +10,7 @@ Yii Framework 2 Change Log
 - Enh #6106: Added ability to specify `encode` for each item of `yii\widgets\Breadcrumbs` (samdark, aleksanderd)
 - Enh #6493: Added support for the `Access-Control-Expose-Headers` header by `yii\filters\Cors` (usualdesigner)
 - Enh #6697: Added `yii\helpers\Url::current()` method that allows adding or removing parameters from current URL (samdark, callmez)
+- Enh #6852: Added `yii\helpers\BaseHtmlPurifier::helpers()` in order to be able to configure `HtmlPurifier` helper globally via subclassing (Alex-Code)
 - Enh #6882: Added `yii\web\ErrorHandler::getTypeUrl()` in order to allow providing custom types/classes/methods URLs for subclasses (brandonkelly)
 - Enh #6896: Added `yii\log\FileTarget::$enableRotation` to allow disabling log rotation when external tools are configured for this (cebe) 
 - Chg #5690: adjusted paths in message config generated by `yii message/config` to reflect directory structure better (mikehaertl, samdark)

framework/helpers/BaseHtmlPurifier.php

@@ -52,7 +52,18 @@ class BaseHtmlPurifier
         if ($config instanceof \Closure) {
             call_user_func($config, $configInstance);
         }
+        static::config($configInstance);
 
         return $purifier->purify($content);
     }
+
+    /**
+     * Allow the extended HtmlPurifier class to set some default config options.
+     * @param \HTMLPurifier_Config $config
+     * @since 2.0.3
+     */
+    protected static function config($config)
+    {
+        
+    }
 }