How to have one taxonomy/ category first in the list then the rest order alphabetically


I want to be able to select a category/taxonomy to put first in a list, then show the rest ordered alphabetically.

Can anyone point me in the direction of a wordpress function or filter to achieve this please?

eg. on a country drop down in a search form:

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Jim HornMicrosoft SQL Server Developer, Architect, and AuthorCommented:
Not sure about the topics you've listed here, but in SQL Server I pull this off by adding an < ALL > selection, UNIONing it with the rest of the list, and using a sort_order column to get the sorting correct.  
SELECT id, name, 1 as sort_order
FROM your_table
WHERE id= 42   -- 'or whatever id is England'
SELECT id, name, 2 as sort_order
FROM your_table
WHERE id <> 42
ORDER BY sort_order, name

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Then in your front-end just display the id and name columns.

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igloobobAuthor Commented:
I got this working with a little help from a friend as follows...

function terms_sort( $terms, $taxname )
  if($taxname === 'countries')
    $_a   = array();
    $_n   = array();
    foreach( $terms as $lterm )
      if($lterm->name === 'Country  To Appear First')
        $_n[$lterm->name] = $lterm;
      $_a[$lterm->name] = $lterm;
    return ($_n + $_a); 
  return $terms;

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