Check If A Value Exists In Multidimensional Array

Here is a function which will help you to know if a value exists in Multidimensional Array.

1. function in_mdarray($needle,$array)
2. {
3.     if (array_key_exists($needle,$array) or in_array($needle,$array))
4.     {
5.          return true;
6.     }
7.     else
8.     {
9.           $return = false;
10.           foreach (array_values($array) as $value)
11.           {
12.               if (is_array($value) and !$return)
13.               {
14.                   $return = in_mdarray($needle,$value);
15.               }
16.           }
17.           return $return;
18.     }
19. }