I have developed a WordPress plugin for my site that utilises the WP Media uploader to store files... To do this my plugin contains the following code:

function enqueue_scripts()
  // etc...
add_action('admin_enqueue_scripts', 'enqueue_scripts');

I noticed the admin area was becoming really slow so I ran some query logs and it appears the query triggered by wp_enqueue_media();

FROM wp_posts 
WHERE post_type = 'attachment' 
AND post_mime_type LIKE 'audio%' 

After a quick Google search I can see it is a known problem on large sites that was apparently fixed many versions previous.... obviously not!

I'm not quite sure how to proceed? I need this functionality in my plugin. I am a little confused why this function needs calling when it appears to generally be available throughout the admin area.. Even stranger, when i'm loading things from my enqueue_scripts() function they are being made available globally, which I'm assuming is what is happening to wp_enqueue_media() as it is slowing the whole admin area and not just the plugin.

I presumed it would only load resources when it needed them.

Is there a way around it? or is there a way to only trigger enqueue_scripts() when I am using the plugin?

I just don't get why I need to load these from the plugin, but then it's made globally to all other plugins.


To load admin scripts only on your pages, you should use the $hook-parameter:

function enqueue_scripts( $hook )
  if( 'my-page' != $hook )

  // etc...
add_action('admin_enqueue_scripts', 'enqueue_scripts');

Concerning the loading problem. This seems to be still an open problem. The ticket 27985 was followed up by #32264, which is not closed yet. The last edit on this was 24hours ago :)

Seems like they are searching for a solution and will implement it soon :)

| improve this answer | |
  • This work around appears to have worked thanks... hopefully they fix it soon. Plugins should definitely be sandboxed in my opinion. – Goodbytes Jun 9 '15 at 10:18
  • 1
    If you don't know the hook of your plugin page (it is different to the page slug), then you can use the get_plugin_page_hook() function. – shea Jun 16 '15 at 9:43

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