array_walk_recursive( array,funcname [,$parameter])

<?php
   function call_back_function(value,key) {
      echo "The key key has the valuevalue \n";
   }

   input1 = array("a"=>"green", "b"=>"brown", "c"=>"blue" );input2 = array(input1, "d"=>"yellow", "e"=>"black");

   array_walk_recursive(input2,"call_back_function");
?>

The key a has the value green
The key b has the value brown
The key c has the value blue
The key d has the value yellow
The key e has the value black