erro no login
ESSE E O ERRO QUE ME APARECE
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Notice: A session had already started - ignoring session start() in c:wamp64/www/redesocial/login.php
#/time /memory /fuction /location /
1/0.0106/ 237680 /{main}() /.../index.php:0/
2/0.0536/ 265832 /require_once('C:/wamp64/www/redesocial/login.php/.../index.php:14/
3/0.0537/265880/session_start() /../login.php:4/
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Login.php
<?php
require_once('conectar.php');
session_start();
$error_msg = "nao deu";
if (!isset($_SESSION['user_id'])) {
if (isset($_POST['submit'])) {
$user_username = mysqli_real_escape_string($dbc, trim($_POST['nome_de_usuario']));
$user_password = mysqli_real_escape_string($dbc, trim($_POST['senha']));
if (!empty($user_username) && !empty($user_password)) {
$query = "SELECT user_id, nome_de_usuario FROM usuarios WHERE nome_de_usuario = '$user_username' AND senha = MD5('$user_password')";
$data = mysqli_query($dbc, $query);
if (mysqli_num_rows($data) == 1) {
$row = mysqli_fetch_array($data);
$_SESSION['user_id'] = $row['user_id'];
$_SESSION['nome_de_usuario'] = $row['nome_de_usuario'];
setcookie('user_id', $row['user_id'], time() + (60 * 60 * 24 * 30));
setcookie('nome_de_usuario', $row['nome_de_usuario'], time() + (60 * 60 * 24 * 30));
$home_url = 'http://' . $_SERVER['HTTP_HOST'] . dirname($_SERVER['PHP_SELF']) . '/login_efetuado.php';
header('Location: ' . $home_url);
}
else {
$error_msg = 'Desculpe, você deve digitar um nome e senha válidos para fazer login.';
}
}
else {
$error_msg = 'Desculpe, você deve digitar seu nome e senha para fazer login.';
}
}
}
$page_title = 'Fazer Login';
require_once('cabecalho.php');
if (empty($_SESSION['user_id'])) {
echo '<p class="error">' . $error_msg . '</p>';
?>
<a href="registrar_se.php">Registrar-se</a>
<div id="quadro">
<form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">
<fieldset>
<legend>Fazer Login</legend>
<label for="nome_de_usuario">Nome de usuário:</label><br />
<input type="text" size="35px" name="nome_de_usuario" value="<?php if (!empty($user_username)) echo $user_username; ?>" /><br />
<label for="senha">Senha:</label><br />
<input type="password" size="35px" name="senha" />
<input type="submit" value="Fazer Login" name="submit" />
</fieldset>
</form>
</div>
<?php
}
else {
echo('<p class="login">Você está logado como ' . $_SESSION['nome_de_usuario'] . '.</p>');
}
?>
<?php
require_once('rodape.php');
?>
ESSE E O ERRO /applications/core/interface/imageproxy/imageproxy.php?img=&key=28afbb360db5c1b91c7f9cf48ddca8db0e348b5a600473bceae10c41869c0945" alt="" />
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(!)Notice:Undefined variable:page_title in C:\wamp64\www\redesocial\cabecalho.php on line7
call stack
#/time /memory/Function /Location/
1/0.0106/237680/{main}() /.../index.php:0/
2/0.0134/240808/require_once('C:/wamp64/www/redesocial/cabecalho.php')/.../index.php:10/
_________________________________________________________________________________________________________Cabecalho.php
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" "http://www.w3.org/TR/html4/frameset.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="pt-br" lang="pt-br">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link rel="stylesheet" type="text/css" href="style.css" />
</head>
<body>
<?php
echo '<title>Segurança Digital - ' . $page_title . '</title>';
?>
</body>
</html>Discussão (4)
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