update

wp-content/plugins/loco-translate/tpl/admin/file/view-php.php

@@ -0,0 +1,16 @@
+<?php
+/**
+ * PHP source view
+ */
+$this->extend('view');
+$this->start('source');
+
+/* @var Loco_mvc_ViewParams $params */
+/* @var string $phps */
+
+echo $this->render('../common/inc-po-header');?> 
+
+
+<div class="panel">
+    <?php highlight_string($phps);?> 
+</div>