On 16/11/2007, Paul van Haren <paul.vanharen@xxxxxxxxx> wrote: > I'm trying to use arrays to implement a sort of data tree. For the code to > work, it is essential that the nodes can be edited after they have become > part of the tree. That would require that the array elements are pushed > "by reference" rather than "by value". > > <?php > > $arr1 = array (); > $arr2 = array (); > > array_push ($arr1, 1); > array_push ($arr1, $arr2); // <-- the important line array_push ($arr1, &$arr2); or $arr1[] =& $arr2; -robin -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php