php create multidimensional array from flat one

Question

I have an array like this:

<?php
     $array = array( 0 => 'foo', 1 => 'bar', ..., x => 'foobar' );
?>

What is the fastest way to create a multidimensional array out of this, where every value is another level? So I get:

array (size=1)
 'foo' => 
   array (size=1)
    'bar' => 
      ...
      array (size=1)
        'x' => 
          array (size=1)
            0 => string 'foobar' (length=6)

Answer 1

Try this:

$out = array();
$cur = &$out;
foreach ($array as $value) {
    $cur[$value] = array();
    $cur = &$cur[$value];
}
$cur = null;

print_r($out);

Grabbed it from another post.