Re: PHP Objects and SQL Results

On Sat, Feb 13, 2010 at 7:46 AM, Paul Hollingworth <devineman@msn.com>wrote: > Thanks for the code Eric, it seems to loosely provide the functionality > that I'm after. > > Just out of interest though, is there no other way to find the next result > row in an object apart from dumping it into an array? > > Paul Apologize ! I think no. The resource returned by mysql_query acts like a pointer (or cursor on database side) that point to the current record in result set. Before it is able advanced to the next the record must retrieved first. Might some design patterns be help for your situation. And wait for some php pros that master in this area. Regards, Eric Thanks, > Paul > > > Eric Lee wrote: > >> On Sat, Feb 13, 2010 at 3:26 AM, Paul <devineman@msn.com> wrote: >> >> Hi all, >>> >>> I'm currently having a problem correctly formatting a table within a >>> while >>> loop. I'm using an object to store the results of a query, and using the >>> while to iterate through it each row to produce the output: >>> >>> $query = "SELECT * FROM foo WHERE UserID = " .$uID . " ORDER BY >>> bar"; >>> $result = mysql_query($query); >>> >>> while($obj = mysql_fetch_object($result)) >>> { >>> $obj->bar; >>> } >>> >>> To properly format the table, I need to check the value of bar in the >>> next >>> iteration of the object (but have to do it on the current one). Using an >>> array, I would do: >>> >>> next($obj); >>> if($obj["bar"] == "something") >>> { >>> //do things >>> } >>> prev($obj); >>> >>> Is there an equivalent to object? I've tried the above method, but >>> nothing >>> happens. I've also tried type casting it to an array, without success. >>> >>> Is there anyway to iterate through this? >>> >>> >> Paul >> >> Is this the one you want ? >> >> $sql = 'select id, name from test'; >> $result = mysql_query($sql); >> $rows = array(); >> $row = null; >> while ($row = mysql_fetch_object($result)) >> { >> $rows[] = $row; >> } >> >> reset($rows); >> >> for ($i = 0, $c = sizeof($rows) - 1; $i < $c; $i++) >> { >> next($rows); >> if (current($rows)->name) >> { >> // something to do >> } >> prev($rows); >> >> echo current($rows)->id, ' ', current($rows)->name, "\n"; >> >> next($rows); >> } >> >> if (current($rows)) >> { >> echo current($rows)->id, ' ', current($rows)->name, "\n"; >> >> } >> >> Regards, >> Eric, >> >> >> Thanks, >>> Paul >>> >>> -- >>> PHP Database Mailing List (http://www.php.net/) >>> To unsubscribe, visit: http://www.php.net/unsub.php >>> >>> >>> >> > -- > PHP Database Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > >