Originariamente inviato da daniele_dll
$colorSelector = '#000000';

codice:
while(.........)
{
    $colorSelector = $colorSelector == '#000000' ? '#121212' : '#000000';
    echo "<tr style=\"background-color: {$colorSelecter}\">\n";
    .
    .
    .
}

lo spiegheresti in ITALIANO.....????