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Re: resetting arrays

Posted by Al on 10/20/35 11:19

in general, you should use "0" as your first key, not 1. It'll save trouble.

array_values() will index from 0....

$pos= 0;

unset($ses_basket_items[$pos]) //will remove the first item.


I. Gray wrote:
> Thanks Al,
>
> That's done it!
>
> unset($ses_basket_items[$pos]); $ses_basket_items =
> array_values($ses_basket_items) ;
>
> They aren't big arrays so I suppose I shouldn't worry about exceeding
> memory limits -
> http://uk2.php.net/manual/en/function.array-values.php#36837 ?
>
> My only problem now is that I can't seem to delete the first value of
> the array.
>
> $basket is the item I want to delete from the array $baskitems....
>
> if (array_search($basket, $baskitems) != FALSE) {
> $pos = array_search($basket, $baskitems);
> unset($ses_basket_items[$pos]); $ses_basket_items =
> array_values($ses_basket_items) ;
> }
>
>
>
>
>
> Al wrote:
>
>> I. Gray wrote:
>>
>>> Hi.
>>>
>>> I am sure this is easy, but I can't get this work. Is there not a
>>> php function that can do this?
>>>
>>> I have an array- for example...
>>> [1] => Yellow
>>> [2] => Green
>>> [3] => Purple
>>> [4] => Blue
>>> [5] => Red
>>> [6] => Orange
>>> [7] => Cyan
>>>
>>> What happens, say if I delete [3] => Purple? I get...
>>>
>>> [1] => Yellow
>>> [2] => Green
>>> [4] => Blue
>>> [5] => Red
>>> [6] => Orange
>>> [7] => Cyan
>>>
>>> But what if I want to reset the numbers? Like...
>>>
>>> [1] => Yellow
>>> [2] => Green
>>> [3] => Blue
>>> [4] => Red
>>> [5] => Orange
>>> [6] => Cyan
>>>
>>> I've tried this...
>>>
>>> unset($ses_basket_items[$pos]); for ($ii=0;
>>> $ii<count($ses_basket_items); $ii++) {if
>>> (isset($ses_basket_items[$ii])) {$cc++; $arry_a[$cc] =
>>> $ses_basket_items[$ii]; }} $ses_basket_items = $arry_a;
>>>
>>> where $pos is the position of the array I want to get rid of.
>>> $ses_basket_items is session variable, does that matter?
>>>
>>> Please help.
>>
>>
>>
>> array_values()

 

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