Tommy Pham wrote:
>> -----Original Message-----
>> From: Gary
>> I can tell you how to solve it:
>> $a = array('a', 'b','c');
>> foreach($a as &$row){
>> //you don't have to do anything here
>> }
>> unset($row); // <----<<< THIS IS KEY!
>
> Shouldn't that be $row = null since unset will remove the last value,
> not just removing the variable also, from the array whereas the $row =
> null will tell the reference pointer that it doesn't point to a value.
,----[ http://php.net/manual/en/control-structures.foreach.php ]
| ,----[ code ]
| | <?php
| | $arr = array(1, 2, 3, 4);
| | foreach ($arr as &$value) {
| | $value = $value * 2;
| | }
| | // $arr is now array(2, 4, 6, 8)
| | unset($value); // break the reference with the last element
| | ?>
| `----
| ...
| Warning
|
| Reference of a $value and the last array element remain even after the
| foreach loop. It is recommended to destroy it by unset().
`----
If it's wrong, please blame the people who wrote the manual :)
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