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Re: ODBC Connection [message #172743 is a reply to message #172739]

Sun, 27 February 2011 19:51

Jerry Stuckle
Messages: 2598
Registered: September 2010

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Senior Member

On 2/27/2011 2:19 PM, richard wrote:
> On Sun, 27 Feb 2011 10:49:26 -0800 (PST), bruceaj wrote:
>
>> On Feb 27, 1:36 pm, richard<mem...@newsguy.com> wrote:
>>> On Sun, 27 Feb 2011 09:57:11 -0800 (PST), bruceaj wrote:
>>>> I am connecting to an MS Access database. The connection and exec work
>>>> fine. My problem is getting the data.
>>>
>>>> The following two statement work;
>>>> $row = odbc_fetch_array($rs);
>>>> $value = $row['Newspaper'];
>>>
>>>> If I change to
>>>> $value = $row[1];
>>>
>>>> is_null($value) returns true.
>>>
>>>> What am I doing wrong or is an idiosyncrasy of using MS Access?
>>>
>>>> Bruce
>>>
>>> I'd say it's due to the fact you did not define $row[1].
>>> Instead, you used 'newspaper' as the row identifier.
>>> It can't find [1] so it reports an error.
>>
>> Okay??? I guess I don't know what I thought I knew!!
>>
>> Doesn't "odbc_fetch_array" returns an associative array. If so, can't
>> I address the elements either by name "newspaper" or by index "1".
>>
>> One minor point, the index I should be using is "0" since the
>> associative array is 0 based.
>>
>> Appreciate some suggestions on what I need to address the elements of
>> my array, $row, via an index value.
>>
>> Thanks again...
>>
>> Bruce
>
> as I understand it, the array contents have to be defined.
> If you define an array with names rather than number, then you can not
> assume 0 is going to be the first array item. Or that 0 will be associated
> with the first item by default.
>
> $item[0]="aaa"
> $item[1]="bbb"
> $item['sample']="ccc"
> $item['data']="data"
> $item[2]="ddd"
>
> If I wanted to recall the third item in the array, I would have to use
> ['sample'] not [2].
> If [2] did not exist, I can not assume [2] would equate to ['sample'].
>
> IOW, what you defined in the array, is what can be recalled.

Richard, odbc_fetch_array() IS defining the array. Just not the way he
expects.

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Jerry Stuckle
JDS Computer Training Corp.
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[Message index]

		ODBC Connection By: bruceaj on Sun, 27 February 2011 17:57
		Re: ODBC Connection By: Luuk on Sun, 27 February 2011 18:07
		Re: ODBC Connection By: bruceaj on Sun, 27 February 2011 18:24
		Re: ODBC Connection By: Jerry Stuckle on Sun, 27 February 2011 18:54
		Re: ODBC Connection By: bruceaj on Sun, 27 February 2011 20:46
		Re: ODBC Connection By: Jerry Stuckle on Sun, 27 February 2011 20:55
		Re: ODBC Connection By: spambait on Sun, 27 February 2011 21:02
		Re: ODBC Connection By: bruceaj on Sun, 27 February 2011 21:10
		Re: ODBC Connection By: Luuk on Sun, 27 February 2011 19:04
		Re: ODBC Connection By: richard on Sun, 27 February 2011 18:36
		Re: ODBC Connection By: bruceaj on Sun, 27 February 2011 18:49
		Re: ODBC Connection By: richard on Sun, 27 February 2011 19:19
		Re: ODBC Connection By: Jerry Stuckle on Sun, 27 February 2011 19:51
		Re: ODBC Connection By: richard on Sun, 27 February 2011 20:06
		Re: ODBC Connection By: sheldonlg on Sun, 27 February 2011 20:52
		Re: ODBC Connection By: P E Schoen on Mon, 28 February 2011 07:47
		Re: ODBC Connection By: Jerry Stuckle on Mon, 28 February 2011 11:40
		Re: ODBC Connection By: P E Schoen on Mon, 28 February 2011 18:48

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