The following:
$columns = array(); foreach($form as $f) { $columns += array($f['form_field_id'] => $f['label']); }
Will create.
Array ( [] => [J] => J [1] => Title [3] => Recruiter [2] => Description [4] => Job_Type [5] => Segment [6] => Owner )
And this will create:
$columns = array(); foreach($form as $f) { $columns[] = array($f['form_field_id'] => $f['label']); }
Will create.
Array ( [0] => Array ( [] => ) [1] => Array ( [J] => J ) [2] => Array ( [1] => Title ) [3] => Array ( [3] => Recruiter ) [4] => Array ( [2] => Description ) [5] => Array ( [4] => Job_Type ) [6] => Array ( [5] => Segment ) [7] => Array ( [6] => Owner ) )