<?
$v1 = $_POST["v1"];
$v2 = $_POST["v2"];
$v3 = $_POST["v3"];
$v4 = $_POST["v4"];
$query = "Select t1, t2, t3, t4 From TABLE "
$queryCondition = "Where ";
if ($v1 is exist) $queryCondition .= " and t1 = '".v1."' "
if ($v2 is exist) $queryCondition .= " and t2 = '".v2."' "
...
$queryCondition = substring($queryCondition, 첫번째 " and" 없애기);
$result = mysql_어쩌고
($query.$queryCondition, 뭐시기
) or
die "쎾쓰";
?>
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