[buddypress-trac] [BuddyPress Trac] #5742: Cannot modify $allowedtags per xProfile field type

buddypress-trac noreply at wordpress.org
Wed Jul 9 13:33:45 UTC 2014

#5742: Cannot modify $allowedtags per xProfile field type
 Reporter:  needle        |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  XProfile      |     Version:
 Severity:  normal        |  Resolution:
 Keywords:  has-patch     |

Comment (by boonebgorges):

 I like the idea of this patch, and am happy to do something to make it
 easier for plugins to adjust the allowedtags array on a more case-by-case
 basis, but I have a few concerns about this patch as it stands.

 - Except in extreme circumstances, we prefer not to change the values that
 are passed to filters. Doing so will break existing plugins that use these
 filters, often in unpredictable and harmful ways (think what could happen
 if the new field_id happens to match the id of an existing xprofile data
 item). So my inclination is to pass a third value to the
 'xprofile_data_value_before_save' filter. (And, while we're at it, the
 rest of these '_before_save' filters too.)
 - In your case, you want to filter based on the field type. But others
 might want to filter based on the user ID, or the value, or something
 else. So let's pass the entire field object instead of just `$field_id`.
 - If we go with my suggested change (add a third value to the filter), we
 can't just do this to pass the value to the callback:

 add_filter( 'xprofile_data_value_before_save',
 'xprofile_sanitize_data_value_before_save', 1, 3 );

 because `xprofile_sanitize_data_value_before_save()` already takes a third
 parameter (the somewhat odd `$reserialize`

 This leaves us with two options:

 1. Build a new wrapper, and hook to that instead. Something like:

 function xprofile_sanitize_value_before_save_callback( $field_value,
 $data_id, $data_object ) {
     return xprofile_sanitize_value_before_save( $field_value,
 $data_obj->field_id, $reserialize, $data_object ); // adding a new fourth
 param to the original function
 add_filter( 'xprofile_data_value_before_save',
 'xprofile_sanitize_value_before_save_callback', 10, 3 );

 2. Just add the $data_object as a fourth param to
 `xprofile_sanitize_value_before_save()`, and pass a true value to the
 callback via `add_filter()`:

 class BP_XProfile_ProfileData {
     // ...
     public function save() {
          // ...
          $this->value = apply_filters( 'xprofile_data_value_before_save',
 $this->value, $this->id, true, $this );

 plus the necessary changes to `xprofile_data_value_before_save`

 I'm leaning toward 2 as the less intrusive option. needle, can you double
 check my logic and let me know what you think?

Ticket URL: <https://buddypress.trac.wordpress.org/ticket/5742#comment:1>
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