$array = array();
$query = mysql_query("")or die(mysql_error());
while ($row = mysql_fetch_array($query)) $array[] = $row;
foreach ($array as $key1 => $value1) {
foreach ($array[$key1] as $key => $value) {
if (is_int($key)) unset($array[$key1][$key]);
else $array[$key1][$key] = str_replace($str1, $str2, $array[$key1][$key]);
}
}
for ($i=0;$i<count($array);$i++) {
foreach ($array[$i] as $key => $value) {
$id = $array[$i]["id"];
mysql_query("UPDATE таблица SET " . $key . "=" . $value . " WHERE id='$id'");
}
}