选择判断,你知道?
由上页传过username,$isCheck为空,
所以执行第二个判断,
从ForEmailReg.asp执行完后返回,$isCheck=ok
问题:
为什么只执行else的程序,无论如何都不执行首选条件
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<?php
require("../connection.php");
if(empty($username)) header("Location: p02.php"); //(1)
if($isCheck=='') //(2)
header("Location: http://sss/dddd/add/ForEmailReg.asp?username=$username");
if($isCheck=='ok'){
$querystring="select pw_name from vpopmail where pw_name=$username";
$result=mysql_query($querystring,$dbh);
if($result){
header("Location: p02-1.php");
}else{
header("Location: p03.php?username=$username");}
}else{
header("Location: p02-1.php");
}
?>