<?php session_start();
$conn=mysql_connect("localhost","root","admin");
mysql_select_db("songyu");
//检查数组元素出现次数
function check_count($array,$element)
{
$times=0;
for($i=0;$i<?php session_start();
$conn=mysql_connect("localhost","root","admin");
mysql_select_db("songyu");
$sql="select * from user where username='".$_POST["username"]."' and password='".$_POST["password"]."'";
$result=mysql_query($sql);
$out=mysql_fetch_array($result);
if(!$out)
{
echo "wrong!";
}
else
{
$_SESSION["user"]=$out[id];
echo "
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