[英]Session not being saved as id
基本上,我一直在努力解決我的PHP代碼中的一個未知問題。
代碼( login_config.php
):
<?php
session_start(); //POST VARIABLES
$submit = $_POST['login_submit'];
$password = $_POST['login_password'];
$email = $_POST['login_email'];
if(isset($submit)){
require 'password_config.php';
require 'connect.php';
//PASSWORD VERIFYING
$pass_query = "SELECT password FROM users WHERE email='$email'";
$queried = mysql_query($pass_query);
while($row = mysql_fetch_array($queried)){
$user_pass = $row['password'];
$veri_password = password_verify($password, $user_pass);
}
if($veri_password != true){$errors[] = '-Account does not exist ';}
elseif($veri_password = true){
//CHECKING NUM ROWS
$sql = "SELECT id, username FROM users WHERE email='$email'";
$entered_user = mysql_query($sql);
$num_rows = mysql_num_rows($entered_user);
//STORING ID AS SESSION
while($row1 = mysql_fetch_array($entered_user)){
//PROBLEM IS HERE
$row1['id'] = $id;
}
//ERRS ARRAY ESTABLISHED
$errors = array();
//FURTHER VERIFYING
if( empty($password) || empty($email) )
{
$errors[] = 'Please do not leave fields empty';
}
elseif( $num_rows != 1 )
{
$errors[] = '-Account does not exist ';
}
elseif( $num_rows == 1 )
{
$id = $_SESSION['key'];
header('Location: profile.php');
exit();
}
}
}
?>
問題:為什么當我通過header()重定向到profile.php時,$ _ SESSION ['key']值為null? 我一直在使用var_dump()證明這一點。 我希望會話密鑰在數據庫中具有用戶ID的值,並且我的代碼沒有問題。
首先, $id
變量沒有在任何地方定義 。
做$row1['id'] = $id;
意味着assigning $id value to $row1['id']
如果要將用戶ID存儲在$id
,則應使用
$id = $row1['id'];
$id = $_SESSION['key'];
的相同錯誤$id = $_SESSION['key'];
這意味着assiging $_SESSION['key'] to $id
。 如果要在會話中存儲$id
值:
$_SESSION['key'] = $id;
據我所知,您的代碼中有2個問題,這兩個問題都是您正在運行循環以獲取數據,因此這是代碼,我標記了您正在擰線的行
<?php
session_start();
//POST VARIABLES
$submit = $_POST['login_submit'];
$password = $_POST['login_password'];
$email = $_POST['login_email'];
if(isset($submit)){
require 'password_config.php';
require 'connect.php';
//PASSWORD VERIFYING
$pass_query = "SELECT password FROM users WHERE email='$email'";
$queried = mysql_query($pass_query);
//while($row = mysql_fetch_array($queried)){ //no need to run loop here
$row = mysql_fetch_array($queried);
$user_pass = $row['password'];
$veri_password = password_verify($password, $user_pass);
// } //remove this too
if($veri_password != true){$errors[] = '-Account does not exist ';}
elseif($veri_password = true){
//CHECKING NUM ROWS
$sql = "SELECT id, username FROM users WHERE email='$email'";
$entered_user = mysql_query($sql);
$num_rows = mysql_num_rows($entered_user);
//STORING ID AS SESSION
//while($row1 = mysql_fetch_array($entered_user)){//no need to run loop here
$row1 = mysql_fetch_array($entered_user);
//PROBLEM IS HERE
//$row1['id'] = $id; // you can't store values in $id like this
$id = $row1['id']; // right way to do
} //remove this too
//ERRS ARRAY ESTABLISHED
$errors = array();
//FURTHER VERIFYING
if( empty($password) || empty($email) )
{
$errors[] = 'Please do not leave fields empty';
}
elseif( $num_rows != 1 )
{
$errors[] = '-Account does not exist ';
}
elseif( $num_rows == 1 )
{
$id = $_SESSION['key']; //again wrong you cant load $id into session
$_SESSION['key'] = $id; //right way to load $id variable value into session
header('Location: profile.php');
exit();
}
}
}
?>
一律包括
ini_set("display_errors", "On");
ERROR_REPORTING(E_ALL);
作為測試時代碼的前兩行,或相應地更改測試環境php.ini。 這將為您提供來自php的所有可能的幫助/錯誤聲明
第二,使用session_start()時,在打開Php-tag之前刪除所有空格。 如果有空格,如您的代碼所示,php的行為將不正常。
然后再次查看您的代碼。 /尼爾毫升
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