信息持久化

测验编号:91490

未加密的文件内容：{$con_str}” * 2) “

加密后的内容：{$encryption_con}” * **********************************/ $file_path = “user.txt”;

$handle = fopen(“user.txt”,”r”);

$con_str=file_get_contents(“user.txt”); $encryption_con=md5(trim(“$con_str”)); echo “

未加密的文件内容：{$con_str}”; echo “

加密后的内容：{$encryption_con}”; ?>

测验编号:91500)

$search_val=trim($_POST[“search_val”]);
$arr=explode(“,”,”$search_val”);

echo “

{$arr[0]}”;
echo “

{$arr[1]}”;
echo “

{$arr[2]}”;
echo “

{$arr[3]}”;