Ticket #13550: plugin_basename.patch

wp-includes/plugin.php

@@ -555 +555 @@
         $mu_plugin_dir = preg_replace('|/+|','/', $mu_plugin_dir); // remove any duplicate slash
         $file = preg_replace('#^' . preg_quote($plugin_dir, '#') . '/|^' . preg_quote($mu_plugin_dir, '#') . '/#','',$file); // get relative path from plugins dir
         $file = trim($file, '/');
-        return $file;
+        return apply_filters('plugin_basename', $file);
 }
 
 /**