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I am using FORCE_SSL_ADMIN in wp-config.php so everytime I upload a new image and inserted into the post, it is using SSL version

e.g.

<img src="https://www.example.com/wp-content/uploads/2013/01/test.png" ..

My blog is using HTTP in the public side, so how to make the upload path as rotocol independent, e.g.

<img src="//www.example.com/wp-content/uploads/2013/01/test.png" ..
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1 Answer 1

up vote 0 down vote accepted

You can define a function to remove the protocol and hook it to the attachment URL:

function wpse_79958_remove_protocol_from_attachment($url) {
    $url = str_replace(array('http:', 'https:'), '', $url);
    return $url;
}
add_filter( 'attachment_link', 'wpse_79958_remove_protocol_from_attachment' );

Also consider to use relative URLs for attachments by using WordPress builtin function wp_make_link_relative:

add_filter( 'attachment_link', 'wp_make_link_relative' );

Place this code to your functions.php. Not tested though.

Update: already tested

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Thanks first, but the attachment_link link work only when there is a link point to the attachment, but I am referring to the direct image file. –  Yoga Jan 17 '13 at 10:18
    
If you are pointing to the file manually, so keep in mind preferred protocol yourselves. –  Max Yudin Jan 18 '13 at 17:04
    
Nope, I am saying you plugin will not work when I follow the steps: Add Media -> Select the image -> [In the Attachment Display Setting] -> Link To Media File. You plugin will only work if I select the "Link To Attachment Page" –  Yoga Jan 26 '13 at 10:01
    
I can not reproduce your situation. I've forced admin SSL on localhost, but I still have new uploads with http rather than https. Anyway, it's easy to remove the protocol from the URL manually. Also there is no straight hook for this. –  Max Yudin Jan 31 '13 at 10:57

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