Question

I performed a query and captured the results in a variable called $raw_results;

I then have the following:

$record_set = mysql_fetch_array($raw_results);

echo "<pre>";
print_r($record_set);
echo "</pre>";

echo "<hr />";

And right below it, I have:

while ($record_set = mysql_fetch_array($raw_results))
{
echo "<pre>";
print_r($record_set);
echo "</pre>";
}

I’m surprised (and confused) that the while loop starts at record #2 in the array instead of record #1.

If I remove the block above the loop, then the loop displays record #1 as I originally expected.

Why is the loop being affected by the block above it?

Thanks in advance for taking the time. Cheers.

Answer 1

Each call to mysql_fetch_array() advances the record pointer in the result resource $raw_results. So the initial call has already advanced it to the second record. The next call, whether in a loop or singly, will retrieve the next (second) row.

To rewind it back to the first record, you can use mysql_data_seek():

mysql_data_seek($raw_results, 0);