open all .docs in word online

1 comment

1. I’m not sure this question is WordPress-related. It sounds like it might be handled via .htaccess redirect, or a browser extension.

   That said: you could try to use the wp_get_attachment_url filter, that is applied to the URL returned by wp_get_attachment_url().

   For example:

   function wpse95271_filter_wp_get_attachment_url( $url ) {
       if ( 0 === stripos( strrev( $url ), 'cod.' ) ) {
           // This is a Word doc; modify the URL
           $url = 'https://view.officeapps.live.com/op/view.aspx?src=' . $url;
       }
       return $url;
   }
   add_filter( 'wp_get_attachment_url', 'wpse95271_filter_wp_get_attachment_url' );
   

   (This is completely untested, and presented as an example only.)

   Edit

   a) how can I add .docx, .xls, .xlsx?

   Just extend the conditional. Here’s an example, abstracted for clarity:

   function wpse95271_filter_wp_get_attachment_url( $url ) {
       // Using a simple ternary expression;
       // there may be better ways, such as
       // an array of doc extensions, and a
       // foreach loop, etc
       $is_msoffice_doc = (
           0 === stripos( strrev( $url ), 'cod.' ) ||
           0 === stripos( strrev( $url ), 'xcod.' ) ||
           0 === stripos( strrev( $url ), 'slx.' ) ||
           0 === stripos( strrev( $url ), 'xslx.' ) ? true : false
       );
       if ( $is_msoffice_doc ) {
           // This is an Office doc; modify the URL
           $url = 'https://view.officeapps.live.com/op/view.aspx?src=' . $url;
       }
       return $url;
   }
   add_filter( 'wp_get_attachment_url', 'wpse95271_filter_wp_get_attachment_url' );
   

   b) instead of replacing the url can I add a link next to the normal download link that says “open online” with a link to this?

   Just build your own link in your template, appending the attachment URL to your base URL, as done in the above filter.

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