Php 会话don';行不通
第一页Php 会话don';行不通,php,mysql,session,session-variables,Php,Mysql,Session,Session Variables,第一页 $query_user1 = mysql_query("SELECT * FROM xxx WHERE gruppo='$page' LIMIT $rand, 1"); $estrai1 = mysql_fetch_array($query_user1); $id1 = $estrai1["id"]; $name1 = $estrai1["name"]; $surname1 = $estrai1["surname"];
$query_user1 = mysql_query("SELECT * FROM xxx WHERE gruppo='$page' LIMIT $rand, 1");
$estrai1 = mysql_fetch_array($query_user1);
$id1 = $estrai1["id"];
$name1 = $estrai1["name"];
$surname1 = $estrai1["surname"];
$img1 = $estrai1["img"];
$voti1 = $estrai1["voti"];
$_SESSION["code1"] = $code1;
$_SESSION["voti1"] = $voti1;
$query_user2 = mysql_query("SELECT * FROM xxx WHERE gruppo='$page' LIMIT $rand1, 1");
$estrai2 = mysql_fetch_array($query_user2);
$id2 = $estrai2["id"];
$code2 = $estrai2["code"];
$name2 = $estrai2["name"];
$surname2 = $estrai2["surname"];
$img2 = $estrai2["img"];
$voti2 = $estrai2["voti"];
$_SESSION["code2"] = $code2;
$_SESSION["voti2"] = $voti2;
$_SESSION["name1"] = $name1;
$_SESSION["name2"] = $name2;
$_SESSION["surname1"] = $surname1;
$_SESSION["surname2"] = $surname2;
$_SESSION["sec"] = $page;
第二页(接第一页)
在第一页,会话_start()代码>丢失。您需要添加它。因为会话也需要在第一页打开
您可以添加var\u dump($\u sseon)代码>在第一页
并查看它将打印的NULL
仅添加session_start()代码>到第一页的顶部
因为您需要确保服务器了解您仍然在同一个独家新闻中问题很可能是缺少会话_start()第一页中的代码>语句。
在第二页中使用调试语句,如print\r($\u SESSION)
或var\u dump($\u SESSION)
,查看它是否携带需要插入表中的数据
- 主题外但很重要:不要使用mysql_*函数强>
您需要添加sessoin\u start()代码>在第一页我在第一页没有看到会话_start()
。
<?php
session_start();
$id = (isset($_SESSION["id_user"])) ? $_SESSION["id_user"] : null;
$name3 = (isset($_SESSION["name_user"])) ? $_SESSION["name_user"] : null;
$surname3 = (isset($_SESSION["surname_user"])) ? $_SESSION["surname_user"] : null;
$sec = (isset($_SESSION["sec"])) ? $_SESSION["sec"] : null;
$voti2 = (isset($_SESSION["voti2"])) ? $_SESSION["voti2"] : null;
$voti1 = (isset($_SESSION["voti1"])) ? $_SESSION["voti1"] : null;
$code1 = (isset($_SESSION["code1"])) ? $_SESSION["code1"] : null;
$code2 = (isset($_SESSION["code2"])) ? $_SESSION["code2"] : null;
$name1 = (isset($_SESSION["name1"])) ? $_SESSION["name1"] : null;
$name2 = (isset($_SESSION["name2"])) ? $_SESSION["name2"] : null;
$surname1 = (isset($_SESSION["surname1"])) ? $_SESSION["surname1"] : null;
$surname2 = (isset($_SESSION["surname2"])) ? $_SESSION["surname2"] : null;
if (!empty($_SESSION["id_user"])) {
$who = $name3 . " " . $surname3;
}
if (empty($code1)) {
$code = $code2;
$vote = $voti2+1;
$name = $name2;
$surname = $surname2;
} else {
$code = $code1;
$vote = $voti1+1;
$name = $name1;
$surname = $surname1;
}
unset($_SESSION["voti1"]);
unset($_SESSION["voti2"]);
unset($_SESSION["code1"]);
unset($_SESSION["code2"]);
unset($_SESSION["name1"]);
unset($_SESSION["name2"]);
unset($_SESSION["surname1"]);
unset($_SESSION["surname2"]);
unset($_SESSION["sec"]);