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Re: mysql_fetch_array [message #169811 is a reply to message #169809]

Mon, 27 September 2010 14:12

MikeB
Messages: 65
Registered: September 2010

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Captain Paralytic wrote:
> On 27 Sep, 14:18, MikeB<mpbr...@gmail.com> wrote:
>> matt wrote:

>>> You're defining two additional variables that are totally unneeded.
>>> Of course some pedant is probably going to jump down my throat for
>>> putting assignments in my conditionals...
>>
>> How efficient is it to call the mysql_fetch_array($result) function
>> every time for the the loop evaluation vs.comparing with a variable
>> that is set once?
>
> You have me completely confused now!!!
>
> Surely:
>> for ($j = 0 ; $j< $rows ; ++$j)
>> {
>> $results[] = mysql_fetch_array($result);
>> }
> also calls mysql_fetch_array($result) just as many times as the other
> one (OK one less, but you make up for that by calling
> mysql_num_rows($result)).
>
> Since in order to use the contents of $results[] you have to execute
> another loop, I'm sure you can work out which is the more efficient.

D'oh. I see. Sorry.

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[Message index]

		mysql_fetch_array By: MikeB on Sat, 25 September 2010 20:28
		Re: mysql_fetch_array By: Marious Barrier on Sat, 25 September 2010 21:08
		Re: mysql_fetch_array By: TechieOldFox on Sat, 25 September 2010 21:50
		Re: mysql_fetch_array By: Captain Paralytic on Sat, 25 September 2010 22:50
		Re: mysql_fetch_array By: MikeB on Sat, 25 September 2010 23:36
		Re: mysql_fetch_array By: Captain Paralytic on Sun, 26 September 2010 11:44
		Re: mysql_fetch_array By: sheldonlg on Sun, 26 September 2010 23:24
		Re: mysql_fetch_array By: The Natural Philosoph on Mon, 27 September 2010 07:15
		Re: mysql_fetch_array By: sheldonlg on Mon, 27 September 2010 12:23
		Re: mysql_fetch_array By: Hamish Campbell on Mon, 27 September 2010 07:44
		Re: mysql_fetch_array By: matt[1] on Mon, 27 September 2010 12:37
		Re: mysql_fetch_array By: MikeB on Mon, 27 September 2010 13:18
		Re: mysql_fetch_array By: Captain Paralytic on Mon, 27 September 2010 13:35
		Re: mysql_fetch_array By: MikeB on Mon, 27 September 2010 14:12

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