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I have been using these functions for quite a while now but yesterday I noticed that they were not working properly on a site where the plugin directory was outside the main WordPress folder.

WP_PLUGIN_DIR and WP_PLUGIN_URL have been set properly like so:

define( 'WP_PLUGIN_DIR', '/var/www/plugins' );
define( 'WP_PLUGIN_URL', 'http://test.com/plugins' );

Now if the value of __FILE__ is /var/www/plugins/forms-plugin/forms-plugin.php and I pass it to plugin_basename(), I get this:

var/www/plugins/forms-plugin/forms-plugin.php

Instead of just the plugin name.

If I pass it to plugin_dir_url(), I get:

http://test.com/plugins/var/www/plugins/forms-plugin/

Instead of the correct value: http://test.com/plugins/forms-plugin/

Everything works properly when the same plugin is placed inside the WP directory and the constants WP_PLUGIN_DIR and WP_PLUGIN_URL are not used.

Am I doing something wrong?

Thanks for your help.

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  • I can not reproduce the problem. Working perfectly here. Can you provide exact steps to reproduce the issue? – cybmeta Dec 29 '15 at 12:28
  • "If I pass it to" - if you pass what? – Mark Kaplun Dec 29 '15 at 12:58
  • @MarkKaplun If I pass the FILE variable which has the value /var/www/plugins/forms-plugin/forms-plugin.php – Hasan Akhtar Dec 29 '15 at 14:00
  • @cybmeta All you have to do is move the plugin's directory outside the wordpress directory using the constants WP_PLUGIN_DIR and WP_PLUGIN_URL. Then inside a plugin file use the function plugin_dir_url and pass it the FILE magic constant. – Hasan Akhtar Dec 29 '15 at 14:03
  • As I said, I did it and it worked perfectly here. Following those steps doesn't casue the issue you are describing; that is why I asked you the exact steps to reproduce the problem. It seems that you/we are missing something. – cybmeta Dec 29 '15 at 14:47
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Turns out I was adding a trailing slash to WP_PLUGIN_DIR in my wp-config.php which was causing this issue. Hopefully this will help someone making the same mistake.

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  • 2
    "Hopefully this will help someone making the same mistake" … hopefully this helps avoiding the mistake. – kaiser Dec 29 '15 at 18:28
  • Please consider accepting your answer so that the question shows as answered. – Andy Macaulay-Brook Jul 23 '16 at 15:04

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