| Re: Filling an array with random input doesn't quite work [message #185244 is a reply to message #185243] |
Fri, 14 March 2014 16:55   |
Jerry Stuckle
Messages: 2598
Registered: September 2010
Karma:
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Senior Member |
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On 3/14/2014 11:47 AM, Norman Peelman wrote:
> On 03/14/2014 11:00 AM, Jerry Stuckle wrote:
>> On 3/14/2014 9:31 AM, Norman Peelman wrote:
>>> On 03/12/2014 11:11 PM, Jerry Stuckle wrote:
>>>> On 3/12/2014 11:02 PM, Norman Peelman wrote:
>>>> > On 03/12/2014 01:18 PM, richard wrote:
>>>> >> $x=1;
>>>> >> while ($x<40){
>>>> >> $yr=range(60,69);
>>>> >> shuffle($yr);
>>>> >> $ayr[$x]=$yr[$x];
>>>> >> echo $ayr[$x]."<br>";
>>>> >> $x++;
>>>> >> }
>>>> >>
>>>> >>
>>>> >> I am attempting to load an array based upon the range of numbers 60
>>>> >> through
>>>> >> 69.
>>>> >> The array will have 40 items.
>>>> >> This code produces 9 items just fine.
>>>> >> The rest of the array is empty.
>>>> >> What am I missing?
>>>> >>
>>>> >
>>>> > for ($items=1; $items<=40; $items++)
>>>> > {
>>>> > $ayr[$items] = range(60,69);
>>>> > shuffle(&$ayr[$items]);
>>>> > }
>>>> >
>>>> >
>>>>
>>>> Why would you shuffle a single item?
>>>>
>>>>
>>>
>>> $ayr[$items] is an Array
>>>
>>> php > print_r($ayr);
>>> Array
>>> (
>>> [1] => Array
>>> (
>>> [0] => 60
>>> [1] => 61
>>> [2] => 62
>>> [3] => 63
>>> [4] => 64
>>> [5] => 65
>>> [6] => 66
>>> [7] => 67
>>> [8] => 68
>>> [9] => 69
>>> )
>>>
>>> )
>>>
>>> ... after Shuffle:
>>>
>>> php > shuffle(&$ayr[1]);
>>> php > print_r($ayr[1]);
>>> Array
>>> (
>>> [0] => 67
>>> [1] => 69
>>> [2] => 66
>>> [3] => 61
>>> [4] => 62
>>> [5] => 60
>>> [6] => 64
>>> [7] => 68
>>> [8] => 63
>>> [9] => 65
>>> )
>>>
>>>
>>>
>>
>> Sorry, I was in a hurry and wasn't paying as much attention.
>>
>> But then why have 40 different arrays of 10 items each, anyway?
>>
>
> I don't even know why there are 40 items when you are pulling from a
> selection of 10 - there's going to be duplicates. Maybe that doesn't
> matter... I think someone else actually had what Richard was really after.
>
>
>
But each item in your list is an array. He wants single values.
--
==================
Remove the "x" from my email address
Jerry Stuckle
jstucklex(at)attglobal(dot)net
==================
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