First of all, there is only 1 $accepted_args
, not 3, so the add_action
is:
add_action('bp_activity_after_save', 'where_activity_from', 10, 1);
Second, the value in your tags
input is never parsed by BP_Activity_Activity->save()
so how could it be part of the array available thru the hook?
Try using the $_POST
array, like this:
add_action('bp_activity_after_save', 'where_activity_from', 10, 1);
function where_activity_from( $activity ) {
// write_log( $_POST['tags'] );
// do something with $_POST['tags']
}
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