multidimensional array difference in php

1function array_diff_assoc_recursive($array1, $array2) {
2    $difference=array();
3    foreach($array1 as $key => $value) {
4        if( is_array($value) ) {
5            if( !isset($array2[$key]) || !is_array($array2[$key]) ) {
6                $difference[$key] = $value;
7            } else {
8                $new_diff = array_diff_assoc_recursive($value, $array2[$key]);
9                if( !empty($new_diff) )
10                    $difference[$key] = $new_diff;
11            }
12        } else if( !array_key_exists($key,$array2) || $array2[$key] !== $value ) {
13            $difference[$key] = $value;
14        }
15    }
16    return $difference;
17}
18//----------------------
19$changes = array();
20if ($result= array_diff_assoc_recursive($new_value,$old_value)) {
21		$new  = array();
22		
23		foreach ($result as $key => $value) {
24			$new[$key] =  $value;
25		}
26		// indicate your UNIQUE ID you can use this when you want know which row you wanted to update in database 
27		$new['ID'] = $new_value['ID'];
28		$changes[] = $new	;
29}
30
31print_r($changes);