Ticket #19388: plugin_basename.diff

wp-includes/plugin.php

@@ -566 +566 @@
         $plugin_dir = preg_replace('|/+|','/', $plugin_dir); // remove any duplicate slash
         $mu_plugin_dir = str_replace('\\','/',WPMU_PLUGIN_DIR); // sanitize for Win32 installs
         $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
+        $file = preg_replace('#^' . preg_quote($plugin_dir, '#') . '|^' . preg_quote($mu_plugin_dir, '#') . '#','',$file); // get relative path from plugins dir
         $file = trim($file, '/');
         return $file;
 }