Array path from variable in PHP

Question

So I wrote a class that can parse XML documents and create SQL queries from it to update or insert new rows depending on the settings.

Because the script has to work wit

Answer 1

You can use a foreach with variable variables.

// assuming a base called $array, and the path as in your example:
$path = array('field1','field2');

$$path = $array;
foreach ($path as $v) $$path = $$path[$v];
$$path['value'] = 'test';

Short, simple, and much better than eval.