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我昨天晚上在我添加到我的数据库之前试图检查电子邮件域名,例如我想add @ hotmail.com,如果任何一个写入hotmail.c我必须拒绝将它添加到我的数据库中。如何检查电子邮件在PHP?
这是我的代码的PHP:
<?PHP
if(isset($_POST['name']) && isset($_POST['email']) && isset($_POST['password'])){
include_once("connection12.php");
$email1 = $_POST['email'];
$SQL = "SELECT email FROM registration WHERE email = '$email1'";
$result = mysql_query($SQL);
$num_rows = mysql_num_rows($result);
if ($num_rows > 0) {
echo "email already taken";
}
else{
$name = $_POST['name'];
$email = $_POST['email'];
$password = $_POST['password'];
mysql_query("insert into registration(name, email, password) values('$name', '$email', '$password')");
echo "Data Submit Successfully";
}
}
?>
U van使用FILTER_VALIDATE_EMAIL'if(!filter_var($ email,FILTER_VALIDATE_EMAIL)=== false){ echo(“$ email is a valid email address”);} else {echo“not valid”;}' – devpro
你的代码是打开的SQL注入使用准备好的语句,并注意mysql_ *关闭在PHP 7 – devpro
我希望你现在得到了解决方案 – devpro