Question

I have the fallowing multidimensional array structure:

array
  '2012-10-02' => 
     array
       0 => 
        array
          'item1' => 
            array
              ...

   '2012-10-03' => 
     array
       0 => 
         array
           'item1' => 
             array
               ...

How do I unwrap Item arrays so that structure would be like this:

array
  '2012-10-02' => 
     array
       'item1' => 
          array
           ...
   '2012-10-03' => 
      array
        'item1' => 
          array
            ...

Answer 1

You need to iterate over the array and for each item “promote” $item[0] to the place that $item used to have. So for example:

foreach($input as &$element) {  // by reference!
    $element = $element[0];
}

// not strictly required, but prevents you from accidentally messing with
// $element outside of the loop (which would almost certainly be a bug)
unset($element);