Support » Localhost Installs » Plugins_url output erroring

  • Resolved Ash Durham


    I haven’t had the chance to test this on a live server but I upgraded from 3.5 to 3.6 locally and all the plugins I have installed are now broken due to the plugins_url function adding the site url then the root url after it.

    1) is this only related to localhost versions and 2) is this I known 3.6 bug?

Viewing 5 replies - 1 through 5 (of 5 total)
  • Surely i’m not the only one experiencing this?

    plugins_url('js/my-js-file.js', dirname(__FILE__)); or plugins_url('js/my-js-file.js', __FILE__);




    plugins_url('js/my-js-file.js'); or plugins_url('js/my-js-file.js', 'anyplugin');



    This could be in the wrong area, but since this isn’t working locally, i’m not game enough to try this on a live server….

    OK, for anyone that cares, after doing some digging, it is a case-sensitive issue.

    WP_PLUGIN_DIR has folders in ‘camel’ case where dirname(__FILE__) has some of the folders lowercase.

    I have gone through my file structure and made all folders lowercase (outside folders from site structure that MAMP was using), reset MAMP servers and all is good.

    A fix that worked for me, rather than renaming everything lower case, was to add an i modifier to the reg expression in plugin_basename() as below:

    $file = preg_replace('#^' . preg_quote($plugin_dir, '#') . '/|^' . preg_quote($mu_plugin_dir, '#') . '/#i','',$file); // get relative path from plugins dir

    This line can be found in wp-includes/plugin.php on line 572.

    This worked with my install but I’m not sure what other implications it may have, so test before using!


    Glad to hear but I wouldn’t be suggesting changing core functionality in files, purely because the next update will override that change.

    I would really suggest a fix outside core files, the only one I could find was the renaming of the folders.

    Not sure if you found a way around this, but you might look at my solution at

    Also, check out on the status of this issue.

Viewing 5 replies - 1 through 5 (of 5 total)
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