protected function normalizeSlots($sql)
{
$newSql = $sql;
$i = 0;
while (strpos($newSql, '?') !== FALSE) {
$pos = strpos($newSql, '?');
$slot = ':slot' . $i;
$begin = substr($newSql, 0, $pos);
$end = substr($newSql, $pos + 1);
if (PHP_SAPI === 'cli') {
$newSql = "{$begin}[32m{$slot}[39m{$end}";
} else {
$newSql = "{$begin}<b style=\"color:green\">{$slot}</b>{$end}";
}
$i++;
}
return $newSql;
}