引用数组键而不知道它们的名字？

Question

If I have an array like this:

$array = array('something'=>array('more'=>array('id'=> 34)));

Then print_r($array['something']['more']['id'] works fine.

But say the key names might change but the structure wont. How could I reference the same values without knowing the names?

I thought maybe print_r($array[0][1][2] might work, but of course those keys don't exist.

Answer 1

You can use a foreach statement. Use a recursive function to handle nested arrays (untested):

public function iterateNestedArray($array) {
    if (is_array($array)) {
        foreach ($array as $key => $value) {
            print_r(iterateNestedArray($value));
        }
    }
    else {
        return $array;
    }
}

You might consider implementing this function with a second argument to pass a callback function, rather than just print_ring every value.