Head First PHP 第4章sendemail.php

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html><head>    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />    <title>Make Me Elvis - Send Email</title>    <link rel="stylesheet" type="text/css" href="style.css" /></head><body><img src="blankface.jpg" width="161" height="350" alt="" style="float:right" /><img name="elvislogo" src="elvislogo.gif" width="229" height="32" border="0" alt="Make Me Elvis" /><p><strong>Private:</strong> For Elmer's use ONLY<br />    Write and send an email to mailing list members.</p><?phpif(isset($_POST['submit'])) {    $from = '88888@qq.com';    $subject = $_POST['subject'];    $text = $_POST['elvismail'];    $output_form = false;    if(empty($subject) && empty($text)) {        echo 'You forgot the email subject and body text.<br />';        $output_form = true;    }    if(empty($subject) && (!empty($text))) {        echo 'You forgot the mail subject.<br />';        $output_form = true;    }    if((!empty($subject)) && empty($text)) {        echo 'You forgot the email body text.<br />';        $output_form = true;    }} else {    $output_form = true;}if(!empty($subject) && !empty($text)) {    $dbc = mysqli_connect('localhost:3306', 'root', '', 'elvis_store')    or die('Error connecting mysql');    $query = 'SELECT * FROM email_list';    $result = mysqli_query($dbc, $query)        or die('Error querying database');    while($row = mysqli_fetch_array($result)) {        $to = $row['email'];        $first_name = $row['first_name'];        $last_name = $row['last_name'];        $msg = "Dear $first_name $last_name, \n$text";        mail($to, $subject, $msg, 'From: ' . $from);        echo 'Email sent to: ' . $to . '<br />';    }    mysqli_close($dbc);}if($output_form) {?>    <form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">        <label for="subject">Subject of email:</label><br/>        <input id="subject" name="subject" type="text" value="<?php echo @$subject; ?>" size="30"/><br/>        <label for="elvismail">Body of email:</label><br/>        <textarea id="elvismail" name="elvismail" rows="8" cols="40"><?php echo @$text; ?></textarea><br/>        <input type="submit" name="submit" value="Submit"/>    </form><?php}?></body></html>
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