我该如何通过PHP脚本发送HTML格式呢？不知为何，它总是显示为
以下是我的PHP脚本（相当长，抱歉！）：
<b>Example</b>而不是Example。我确定我需要在某个地方包含HTML标头，但我不知道需要做什么。我完全是一个PHP新手 :)。以下是我的PHP脚本（相当长，抱歉！）：
<?php
if(!$_POST) exit;
$name = $_POST['name'];
$email = $_POST['email'];
$phone = $_POST['phone'];
$subject = $_POST['subject'];
$comments = $_POST['comments'];
$verify = $_POST['verify'];
if(trim($name) == '') {
echo '<div class="error_message">You must enter your name.</div>';
exit();
} else if(trim($name) == 'Name') {
echo '<div class="error_message">You must enter your name.</div>';
exit();
}
else if(trim($email) == '') {
echo '<div class="error_message">Please enter a valid email address.</div>';
exit();
} else if(trim($email) == 'Email') {
echo '<div class="error_message">Please enter a valid email address.</div>';
exit();
} else if(!isEmail($email)) {
echo '<div class="error_message">Invalid e-mail address, please try again.</div>';
exit();
}
if(trim($subject) == '') {
echo '<div class="error_message">Please enter a subject.</div>';
exit();
} else if(trim($subject) == 'Subject') {
echo '<div class="error_message">Please enter a subject.</div>';
exit();
}
if($error == '') {
if(get_magic_quotes_gpc()) {
$comments = stripslashes($comments);
}
$address = "mynamehere@mydomainnamehere.com";
$e_subject = '' . $subject . '.';
$e_body = "<b>Name:</b> $name \n\n<b>Subject:</b> $subject \n\n<b>Email:</b> $email \n\n<b>Message:</b> $comments";
$e_content = "";
$e_reply = "";
$msg = $e_body . $e_content . $e_reply;
if(mail($address, $e_subject, $msg, "From: $email\r\nReply-To: $email\r\nReturn-Path: $email\r\n")) {
echo "<div id='success_page'>";
echo "<h1>Email Sent Successfully.</h1>";
echo "<p>Thank you <strong>$name</strong>, your message has been sent!</p>";
echo "</div>";
//echo "</fieldset>";
} else {
echo 'ERROR!';
}
}
function isEmail($email) { // Email address verification, do not edit.
return(preg_match("/^[-_.[:alnum:]]+@((([[:alnum:]]|[[:alnum:]][[:alnum:]-]*[[:alnum:]])\.)+(ad|ae|aero|af|ag|ai|al|am|an|ao|aq|ar|arpa|as|at|au|aw|az|ba|bb|bd|be|bf|bg|bh|bi|biz|bj|bm|bn|bo|br|bs|bt|bv|bw|by|bz|ca|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|co|com|coop|cr|cs|cu|cv|cx|cy|cz|de|dj|dk|dm|do|dz|ec|edu|ee|eg|eh|er|es|et|eu|fi|fj|fk|fm|fo|fr|ga|gb|gd|ge|gf|gh|gi|gl|gm|gn|gov|gp|gq|gr|gs|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie|il|in|info|int|io|iq|ir|is|it|jm|jo|jp|ke|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|mg|mh|mil|mk|ml|mm|mn|mo|mp|mq|mr|ms|mt|mu|museum|mv|mw|mx|my|mz|na|name|nc|ne|net|nf|ng|ni|nl|no|np|nr|nt|nu|nz|om|org|pa|pe|pf|pg|ph|pk|pl|pm|pn|pr|pro|ps|pt|pw|py|qa|re|ro|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl|sm|sn|so|sr|st|su|sv|sy|sz|tc|td|tf|tg|th|tj|tk|tm|tn|to|tp|tr|tt|tv|tw|tz|ua|ug|uk|um|us|uy|uz|va|vc|ve|vg|vi|vn|vu|wf|ws|ye|yt|yu|za|zm|zw)$|(([0-9][0-9]?|[0-1][0-9][0-9]|[2][0-4][0-9]|[2][5][0-5])\.){3}([0-9][0-9]?|[0-1][0-9][0-9]|[2][0-4][0-9]|[2][5][0-5]))$/i",$email));
}
?>