PHPでページ遷移できない

以下のコードでPHPのログイン処理を実装したのですが、コメントの//ログイン成功までは動いているのですが、その後のfunction login()でheader()を使ってページ遷移を実装しているのですが、ページ遷移せずに、真っ白なページのままです。
urlはhttp://sandbox.localhost/basic_login.phpのままになっています。どこが間違っているかわかりますか?

Basic_login.php

lang
1<?php
2require('common.php');
3require('functions.php');
4
5$pdo = connectDB();
6
7session_start();
8$_SESSION['id']=0;
9$_SESSION['mail_address']="";
10$_SESSION['login']=0;
11
12$error="";
13$mail_address = "";
14$password = "";
15
16switch ($_SERVER['REQUEST_METHOD']) {
17    case 'POST':
18        if(isset($_POST["login"])){
19            $mail_address = htmlspecialchars($_POST["mail_address"], ENT_QUOTES);
20            $password = htmlspecialchars($_POST["password"], ENT_QUOTES);
21            if(strlen($mail_address)==0)
22                $error = "メールアドレスが入力されていません。";
23            if(strlen($password)==0)
24                $error = "パスワードが入力されていません。";
25            if(strlen($error)==0){
26                $pdo->setAttribute(PDO::MYSQL_ATTR_USE_BUFFERED_QUERY, true);
27                $st = $pdo->prepare("SELECT * FROM user WHERE mail_address=:mail_address");
28                $st->bindParam(':mail_address', $mail_address);
29                $st->execute();
30                if($st->rowCount()>0){
31                    $row = $st->fetch();
32                    if($row['password']==$password){
33                        //ログイン成功!
34                        login($row);
35                    }else{
36                        $error ="メールアドレスまたはパスワードが違います。";
37                    }
38                }else{
39                    $error = "メールアドレスまたはパスワードが違います。";
40                }
41            }
42        }
43        break;
44
45    default:
46        if(isset($_COOKIE['cookie'])){
47            $cookie = $_COOKIE['cookie'];
48            $mail_address = $cookie['mail_address'];
49            $password = $cookie['password'];
50        }
51        break;
52}
53function login($user){
54    $_SESSION["id"]=$user["id"];
55    $_SESSION["mail_address"]=$user["mail_address"];
56    $_SESSION["login"]=1;
57
58    $checkboxValue = $_POST['remember'];
59    if($checkboxValue){
60        setcookie("cookie[mail_address]", $user["mail_address"]);
61        setcookie("cookie[password]", $user["password"]);
62    }else{
63        if(isset($_COOKIE['cookie[mail_address]']))
64            setcookie('cookie[mail_address]', time() -1800);
65        if(isset($_COOKIE['cookie[password]']))
66            setcookie('cookie[password]', time() - 1800);
67    }
68    header("Location : edit_profile.php");
69    exit;
70}
71?>
72<!DOCTYPE html>
73<html lang="ja">
74<head>
75  <meta charset="utf-8">
76  <meta http-equiv="X-UA-Compatible" content="IE=edge">
77  <meta name="viewport" content="width=device-width, initial-scale=1">
78  <!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
79  <title>ログイン</title>
80
81  <!-- Bootstrap -->
82<link href="bower_components/bootswatch/paper/bootstrap.min.css" rel="stylesheet">
83<link rel="stylesheet" type="text/css" href="css/basic_signin.css">
84
85  <!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries -->
86  <!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
87    <!--[if lt IE 9]>
88      <script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
89      <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
90      <![endif]-->
91    </head>
92    <body>
93        <div class="container">
94          <form class="form-signin" method="POST" action="basic_login.php">
95            <h2 class="form-signin-heading">ログイン</h2>
96            <?php
97            if(strlen($error)>0){
98                echo "<div class='alert alert-danger' > エラー : {$error}</div>";
99            }
100            ?>
101            <div class="form-group">
102            <label for="email" class="sr-only">メールアドレス</label>
103            <input type="email"  name="mail_address" class="form-control" placeholder="Email address" required autofucus value="<?php echo $mail_address ?>">
104            </div>
105            <div class="form-group">
106            <label for="password" class="sr-only" >パスワード</label>
107            <input type="password" id="password" name="password" class="foem-control" placeholder="Password" required  value="<?php echo $password ?>">
108            </div>
109            <div class="checkbox">
110              <label>
111                <input type="checkbox" value="remember-me" name="remember">Remember me
112              </label>
113            </div>
114            <input type="submit" name="login" class="btn btn-lg btn-primary btn-block" value="ログイン">
115          </form>
116          <button class="btn btn-default btn-lg btn-block" id="signin" onclick="toSignin()">サインイン</button>
117        </div>
118
119      <!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
120      <script src="bower_components/jquery/dist/jquery.min.js"></script>
121      <!-- Include all compiled plugins (below), or include individual files as needed -->
122        <script src="bower_components/bootstrap/dist/js/bootstrap.min.js"></script>
123        <script type="text/javascript" src="script/basic_login.js"></script>
124    </body>
125</html>
126