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PHP

Redirect Attachment Pages

Sends visitors of media attachment pages to the post the file is attached to, or to the homepage for unattached files.

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Code

add_action( 'template_redirect', function () {
    if ( ! is_attachment() ) {
        return;
    }

    $attachment = get_queried_object();
    $parent_id  = $attachment instanceof WP_Post ? (int) $attachment->post_parent : 0;
    $target     = ( $parent_id && 'publish' === get_post_status( $parent_id ) ) ? get_permalink( $parent_id ) : home_url( '/' );

    wp_safe_redirect( $target, 301 );
    exit;
} );

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