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PHP ??? ??
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<html>
<head>
<meta charset="utf-8">
<title> php中文網(php.cn)</title>
</head>
<body>
<?php
if (isset($_REQUEST['email'])) { // 如果接收到郵箱參數則發(fā)送郵件
// 發(fā)送郵件
$email = $_REQUEST['email'] ;
$subject = $_REQUEST['subject'] ;
$message = $_REQUEST['message'] ;
mail("someone@example.com", $subject,
$message, "From:" . $email);
echo "郵件發(fā)送成功";
} else { // 如果沒有郵箱參數則顯示表單
echo "<form method='post' action='mailform.php'>
Email: <input name='email' type='text'><br>
Subject: <input name='subject' type='text'><br>
Message:<br>
<textarea name='message' rows='15' cols='40'>
</textarea><br>
<input type='submit'>
</form>";
}
?>
</body>
</html>? ?? ??? ???? ?? ???? ?? ??? ?? ??? ??? ???? ??? ? ??? ????.
???? ??? ??? ???? ?? ???? ???? ??? ????
someone@example.com%0ACc:person2@example.com
%0ABcc:person3@example.com,person3@example.com,
anotherperson4@example. com,person5@example.com
%0ABTo:person6@example.com
??? ????? mail() ??? ?? ???? ??? ??? ???? ?? ??? ???????. ?? ??:, ?? ??: ? ?? ??: ??. ???? ?? ??? ???? ? ???? ?? ?? ??? ?????!
PHP? ??? ?? ??
??? ??? ???? ?? ?? ??? ?? ??? ???? ????.
?? ??? ?? ?? ??? ????? ????
<html>
<head>
<meta charset="utf-8">
<title> php中文網(php.cn)</title>
</head>
<body>
<?php
function spamcheck($field)
{
// filter_var() 過濾 e-mail
// 使用 FILTER_SANITIZE_EMAIL
$field=filter_var($field, FILTER_SANITIZE_EMAIL);
//filter_var() 過濾 e-mail
// 使用 FILTER_VALIDATE_EMAIL
if(filter_var($field, FILTER_VALIDATE_EMAIL))
{
return TRUE;
}
else
{
return FALSE;
}
}
if (isset($_REQUEST['email']))
{
// 如果接收到郵箱參數則發(fā)送郵件
// 判斷郵箱是否合法
$mailcheck = spamcheck($_REQUEST['email']);
if ($mailcheck==FALSE)
{
echo "非法輸入";
}
else
{
// 發(fā)送郵件
$email = $_REQUEST['email'] ;
$subject = $_REQUEST['subject'] ;
$message = $_REQUEST['message'] ;
mail("someone@example.com", "Subject: $subject",
$message, "From: $email" );
echo "Thank you for using our mail form";
}
}
else
{
// 如果沒有郵箱參數則顯示表單
echo "<form method='post' action='mailform.php'>
Email: <input name='email' type='text'><br>
Subject: <input name='subject' type='text'><br>
Message:<br>
<textarea name='message' rows='15' cols='40'>
</textarea><br>
<input type='submit'>
</form>";
}
?>
</body>
</html>???? ??? ??? ???? ?? ?? ??? ???? ??????. ? ????? ??? ?????. ??? ???? PHP ??:
FILTER_SANITIZE_EMAIL ??? ????? ???? ??? ??? ?????.
· FILTER_VALIDATE_EMAIL ??? ??? ?? ?? ???? ?????.
?? ? ????. PHP ??? ??? ?? ??? ?????.
