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From: Derek Turner <frderek@cesmail.net>
Newsgroups: comp.lang.php
Subject: Re: Will this work?
Date: 8 Feb 2011 16:36:22 GMT
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On Tue, 08 Feb 2011 15:35:05 +0000, Denis McMahon wrote:


> <?php
> 
> $fmt = "SELECT `workName`, `composer`, SUBSTRING(`Reference`,
> LOCATE(\'%02d-\', `Reference`)) as TRACK FROM `work` WHERE `Reference`
> LIKE \'%%%02d-%%\' ORDER BY TRACK";
> 
> for ($i = 1; $i < 100; $i++) {
> $result = $mysql_query(sprintf($fmt,$i,$i)); if (!$result) {
>   // print an error message, maybe break
> }
> if (mysql_num_rows($result) == 0) break; // empty result set, finished
> // process $result here
> }
> 
> ?>
> 
> Rgds
> 
> Denis McMahon

Cool! very many thanks, it works. One more question: why the double %% ?