-3
<?php
if($_POST['submit'])
{
if(!$_POST['email']) $error.= "<br /> Please Enter your email address";
else if (!filter_var($_POST['email'] , FILTER_VALIDATE_EMAIL)) $error.= "<br /> Please enter a valid email address";
if(!$_POST['password']) $error.= "<br />Please enter your password" ;
else
{
if(strlen($_POST['password'])<8) $error.= "<br />Please enter a password with at least 8 characters";
if(!preg_match('`[A-Z]`' , $_POST['password'])) $error.= "<br />Please enter a password with at least one capital character";
}
if($error) echo"There were error(s) in your sign up details: ".$error;
else
{
$link = mysqli_connect("", "", "", "");
if(mysqli_connect_error())
{
die("Could not connect to database");
}
$query = "SELECT * FROM users WHERE email = '".mysqli_real_escape_string($link, $_POST['email'])."' ";
$result = mysqli_query($link,$query);
$results = mysqli_num_rows($result);
if($results) echo "This email is already registered. Do you want to sign in ?";
else
{
$query = "INSERT INTO users (`email`, `password`) VALUES ('".mysqli_real_escape_string($link, $_POST['email']).", ".md5(md5($_POST['email'])).$_POST['password']."') ";
mysqli_query($link, $query);
echo"Registered";
}
}
}
?>
[質問]と[完璧な質問](http://codeblog.jonskeet.uk/2010/08/29/writing-the-perfect-question/)を参照してください。ヘルプセンターの[編集ヘルプ](http://stackoverflow.com/editing-help)を読んでください。スタックオーバーフローでの書式設定は、他のサイトとは異なります。あなたの投稿がよく見えるほど、他の人がそれを読んで理解しやすくなります。 – Rizier123
それはどんなエラーを吐き出すのですか? – Dorvalla