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I am looking for a way to remove the attachment link from images in the post content.

I would like to add this to the functions.php in my theme. I know you can disable this in the post on a per image basis, but I would like to do this just once in my functions.php page. Any ideas?

Thanks, Bart

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1 Answer 1

up vote 3 down vote accepted
add_filter( 'the_content', 'attachment_image_link_remove_filter' );

function attachment_image_link_remove_filter( $content ) {
    $content =
        preg_replace(
            array('{<a(.*?)(wp-att|wp-content\/uploads)[^>]*><img}',
                '{ wp-image-[0-9]*" /></a>}'),
            array('<img','" />'),
            $content
        );
    return $content;
}

The regex could be simpler and unfortunately this also deprives you of the unique wp-image-xxx (where xxx is the attachment ID) class of the <img> tag, but it's the safest one I could come up with to only remove links around attachment images and leave in-text links as well as links around non-attachment images intact.

If you don't care about non-attachment images and want all images within the post content to not be wrapped in links anyway, this should suffice:

function attachment_image_link_remove_filter( $content ) {
    $content =
        preg_replace(array('{<a[^>]*><img}','{/></a>}'), array('<img','/>'), $content);
    return $content;
}

I can see it breaking things though, if the inside of an anchor ends in some other self-closing element, such as a <br /> tag. That would be rare, obviously, but I'd recommend using the first, though longer version.

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Thanks this worked perfect! I ended up using the first one and yes this saved me a lot of time. –  digitalbart Dec 14 '11 at 21:29
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