PHP的PDO插入x和展示我正在做一個註冊網頁Ÿ

代碼：

<?php 
    include 'config.php'; 
    $nome = $_POST['nome']; 
    $sobrenome = $_POST['sobrenome']; 
    $email = $_POST['email']; 
    $ocupacao = $_POST['ocupacao']; 
    $senha = $_POST['senha']; 
    $senha2 = $_POST['senha2']; 
    $emailkey = md5(microtime().rand()); 
    $ativo = 0; 
    $db = new PDO('mysql:host=localhost;dbname=sdpa;charset=utf8mb4', $user, $pass); 

    $checemail = $db->prepare("SELECT * FROM usuarios WHERE Email = :email"); 
    $checemail->bindParam(':email', $email, PDO::PARAM_STR); 
    $checemail->execute(); 

    if ($checemail->rowCount() > 0) { 
     //email already cadastred 
    } else { 
     $qr = $db->prepare("INSERT INTO usuarios(Nome, Sobrenome, Email, Ocupacao, Senha, EmailKey, Ativo) VALUES(?, ?, ?, ?, ?, ?, ?)"); 
     $qr->bindParam(1, $nome, PDO::PARAM_STR); 
     $qr->bindParam(2, $sobrenome, PDO::PARAM_STR); 
     $qr->bindParam(3, $email, PDO::PARAM_STR); 
     $qr->bindParam(4, $ocupacao, PDO::PARAM_STR); 
     $qr->bindParam(5, $senha, PDO::PARAM_STR); 
     $qr->bindParam(6, $emailkey, PDO::PARAM_STR); 
     $qr->bindParam(7, $ativo, PDO::PARAM_STR); 
     $qr->execute(); 

     mail($email, "Chave de Ativacao", "Olá, obrigado por se registrar no SDPA, para ativar a sua conta, entre no link \n http://localhost/register_final?key=" + $emailkey + "", "Chave De Aticavao"); 
     echo "" + $emailkey; 
    } 

    $db = null; 
?>

但是，在數據庫，PHP的此插入：

aea3001cbe1aae38e0768b4d2d304c67

而且，在回波和電子郵件，就說明這一點：

來源

2016-11-22 tlckpl

哪一列獲得此值？ – Phiter

在php中，連接符號是''''''''''''''''所以在你的郵件中應該是''''l？key =「。$ emailkey''' cf. http：// php.net/manual/en/language.operators.string.php – olibiaz

在PHP中，您將希望使用句點或游擊手（。）來連接字符串（與使用加號（+）的Javascript不同）。 - String Operators

來源

2016-11-22 23:23:25 Daerik

PHP的PDO插入x和展示我正在做一個註冊網頁Ÿ

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