使用PHP设置页面标题

Question

使用PHP设置页面标题

我希望将我的网页标题设置为Ultan.me - 无论帖子标题是什么.我希望它显示帖子标题.帖子被提交到MySQL数据库,标题行被称为"标题".这个小问题对任何帮助表示赞赏.

更新:

这是页面本身,但它不显示标题.我应该打开php文档并连接到我的数据库与其当前位置不同的地方吗？

守则(唯一必要的部分是开头):

<html>
<head>

<meta name="keywords" content="Mac user Ultan Casey TheCompuGeeks UltanKC">
<title>Ultan.me - <?echo $title;?></title>

<link rel="stylesheet" href="css/styles.css" type="text/css" />
<script type="text/javascript"
src="http://ajax.googleapis.com/ajax/libs/jquery/1.2.6/jquery.min.js"></script>
<script type="text/javascript" 
src="js/jquery.labelify.js"></script>
<script type="text/javascript">
$(document).ready(function(){
  $(":text").labelify();
});
</script>
<style>
a {text-decoration:none}

</style>
</head>
<body>
<div id="main">

<!-- Menu Start -->
<div id="menu">
<ul>
<li><a href="index.php">home</a></li>
<li><a href="index.php">about me</a></li>
<li><a href="index.php">archives</a></li>
<li><a href="index.php">contact</a></li>
<li><a href="index.php">gallery</a></li>

</ul>
</div>
<!-- Menu End --> 

<img src="images/banner.png" />
<div id="content">
<div id="posts">
<?php
mysql_connect ('localhost', 'root', 'root') ;
mysql_select_db ('ultankc');

if (!isset($_GET['id']) || !is_numeric($_GET['id'])) {
    die("Invalid ID specified.");
}

$id = (int)$_GET['id'];
$sql = "SELECT * FROM php_blog WHERE id='$id' LIMIT 1";

$result = mysql_query($sql) or print ("Can't select entry from table php_blog.<br />" . $sql . "<br />" . mysql_error());

while($row = mysql_fetch_array($result)) {

    $date = date("l F d Y", $row['timestamp']);

    $title = stripslashes($row['title']);
    $entry = stripslashes($row['entry']);
    $get_categories = mysql_query("SELECT * FROM php_blog_categories WHERE `category_id` = $row[category]");
    $category = mysql_fetch_array($get_categories);


    ?>
<p><?php echo "<p id='post-title'><strong><a href=\"post.php?id=". $id . "\">" . $title . "</a></strong></p>"; ?><br /><br />
<div id="entry"><?php echo $entry; ?>
</div><br /><br />
<p id="date">Posted in <a href="category.php?category=<?php echo $row['category']; ?>"><?php echo $category['category_name']; ?></a> on <?php echo $date; ?></p>
</p>
<h2 id="share-title">Share This Post</h2>
<div id="social-share">
<li id="link-right"><a href="http://twitter.com/home?status=
I just read <?php echo $title; ?> at http://ultan.me/post.php?id=<?php echo $id; ?>"><center>Twitter</center></a></li>
<li id="link-left"><a href="http://digg.com/submit?url=http://ultan.me/post.php?id=<?php echo $id; ?>"><center>Digg</center></a></li>
<br>
<li id="link-right"><a href="http://www.facebook.com/sharer.php?u=http://ultan.me/post.php?id=<?php echo $id; ?>&t=<?php echo $title; ?>"><center>Facebook</center></a></li>
<li id="link-left"><a href="http://www.google.com/buzz/post?url=http://ultan.me/post.php?id=<?php echo $id; ?>
"><center>Google Buzz</center></a></li>
<div class="clr"></div>
</div>
<h2 id="comments-title">Comments</h2>
 <div id="comment-list">
    <?php

}
$commenttimestamp = strtotime("now");

$sql = "SELECT * FROM php_blog_comments WHERE entry='$id' ORDER BY timestamp";
$result = mysql_query ($sql) or print ("Can't select comments from table php_blog_comments.<br />" . $sql . "<br />" . mysql_error());
while($row = mysql_fetch_array($result)) {
    $timestamp = date("l F d Y", $row['timestamp']);
      printf("<div class='comment-ind'><p id='comments'><a id='username' href=\"%s\">%s</a> %s</p>", stripslashes($row['url']), stripslashes($row['name']), $timestamp);
    print("<p class='comments'>" . stripslashes($row['comment']) . "</p><div class='clr'><br></div></div>");

  }
?>
<div class="clr"></div>
<form id="commentform" method="post" action="process.php">

<p><input type="hidden" name="entry" id="entry" value="<?php echo $id; ?>" />

<input type="hidden" name="timestamp" id="timestamp" value="<?php echo $commenttimestamp; ?>">

<input type="text" name="name" id="name" title="Name (required)" /><br />

<input type="text" name="email" id="email" title="Mail (will not be published) (required)" /><br />

<input type="text" name="url" id="url" title="Website" value="http://" /><br />

<br />
<textarea  title="Your Comment Goes Here" name="comment" id="comment"></textarea></p>

<p><input type="submit" name="submit_comment" id="submit_comment" value="Add Comment" /></p>

</form>
</div>
<div id="pages">

<?php
$total_results = mysql_fetch_array(mysql_query("SELECT COUNT(*) AS num FROM php_blog"));
$total_pages = ceil($total_results['num'] / $blog_postnumber);
if ($page > 1) {
    $prev = ($page - 1);
    echo "<a href=\"?page=$prev\">&lt;&lt;  Newer</a> ";
}
for($i = 1; $i <= $total_pages; $i++) {
    if ($page == $i) {
        echo "$i ";
    }
    else {
        echo "<a href=\"?page=$i\">$i</a> ";
    }
}
if ($page < $total_pages) {
   $next = ($page + 1);
   echo "<a href=\"?page=$next\">Older &gt;&gt;</a>";
}

?>
</div>
</div>
</div>
<!-- Sidebar Start -->
<div class="sidebar">

<!-- Item 1 -->
<div id="side-item"> 
<h2>
<a href="http://www.dailybooth.com/UltanCasey">
<img src="images/db-icon.jpg">Dailybooth
</a></h2>
<div id="side-item-content">
<center>
<img src="http://dailybooth.com/UltanCasey/latest/medium.jpg" />
</center>
</div>

</div>

<!-- Item 2 -->

<div id="side-item">
<h2><img src="images/connect.jpg" />Connect</h2>
</div>
<div id="side-item-content">
<div class="tweet-title"><p><a href="http://www.twitter.com/UltanKc">Latest Tweet:</a></p></div>
<div id="tweet">
<?php

function getTwitterStatus($userid){
$url = "http://twitter.com/statuses/user_timeline/$userid.xml?count=1";

function auto_link_twitter ($text)
{
    // properly formatted URLs
    $urls = "/(((http[s]?:\/\/)|(www\.))?(([a-z][-a-z0-9]+\.)?[a-z][-a-z0-9]+\.[a-z]+(\.[a-z]{2,2})?)\/?[a-z0-9._\/~#&=;%+?-]+[a-z0-9\/#=?]{1,1})/is";
    $text = preg_replace($urls, " <a href='$1'>$1</a>", $text);

    // URLs without protocols
    $text = preg_replace("/href=\"www/", "href=\"http://www", $text);

    // Twitter usernames
    $twitter = "/@([A-Za-z0-9_]+)/is";
    $text = preg_replace ($twitter, " <a href='http://twitter.com/$1'>@$1</a>", $text);

    // Twitter hashtags
    $hashtag = "/#([A-Aa-z0-9_-]+)/is";
    $text = preg_replace ($hashtag, " <a href='http://hashtags.org/$1'>#$1</a>", $text);
    return $text;
}

$xml = simplexml_load_file($url) or die("could not connect");

       foreach($xml->status as $status){
       $text = $status->text;
       }
       echo auto_link_twitter ($text);
 }


getTwitterStatus("UltanKC");

?>
</div>
<br>
<ul>
<li id="social"><a href="#">YouTube</a></li>
<li id="social"><a href="#">Twitter</a></li>
<li id="social"><a href="#">LastFM</a></li>
<li id="social"><a href="#">Email</a></li>
</ul>

</div>
<!-- Item 2 End-->
<div id="side-item">
<h2><img src="images/archive.jpg" />Archives</h2>
</div>
<div id="archive-side">
<?php
mysql_connect ('localhost', 'root', 'root') ;
mysql_select_db ('ultankc');

$result = mysql_query("SELECT FROM_UNIXTIME(timestamp, '%Y') AS get_year, COUNT(*) AS entries FROM php_blog GROUP BY get_year");

while ($row = mysql_fetch_array($result)) {
    $get_year = $row['get_year'];
    $entries = $row['entries'];

    echo "<li id='tag'><a href=\"archives.php?year=" . $get_year . "\">Entries from " . $get_year . "  (" . $entries . ")<br /></a></li>";
}

$result1 = mysql_query("SELECT * FROM php_blog_categories ORDER BY category_name ASC");

while($row = mysql_fetch_array($result1)) {

    $result2 = mysql_query("SELECT COUNT(`id`) AS entries FROM php_blog WHERE category = $row[category_id]");
    $num_entries = mysql_fetch_array($result2);

    echo '<li id="tag"><a href="category.php?category=' . $row['category_id'] . '">' . $row['category_name'] . ' (' . $num_entries['entries'] . ')</a></li>';

}
?>
</div>

</div>

<div class="clr" />
</div>
<!-- Sidebar End  -->
<div id="footer">
<p> &copy; Ultan Casey 2010</p>
<p style="margin-top: -18px; float:right"><a href="index.php">Home</a> | <a href="about.php">About Me</a> | <a href="mailto:ultankc@thecompugeeks.com">Email Me</a></p>
</div>
</div>
</div>
</body>
</html>
?>

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Answer 1

小智 23

这是我使用的方法(类似的东西,而不仅仅是标题):

<?
ob_start (); // Buffer output
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">

<head>
<title><!--TITLE--></title>
</head>

<body>
<?
$pageTitle = 'Title of Page'; // Call this in your pages' files to define the page title
?>
</body>
</html>
<?
$pageContents = ob_get_contents (); // Get all the page's HTML into a string
ob_end_clean (); // Wipe the buffer

// Replace <!--TITLE--> with $pageTitle variable contents, and print the HTML
echo str_replace ('<!--TITLE-->', $pageTitle, $pageContents);
?>

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PHP通常可以执行任何代码并将所有输出直接打印到浏览器.如果你说"echo 'Some text here.';",那个字符串将被发送到浏览器并从内存中清空.

输出缓冲的作用是"将所有输出打印到缓冲区.抓住它.在我告诉你之前,不要向浏览器发送任何内容."

所以它的作用是将所有页面的HTML缓冲到缓冲区中,然后在最后,在标记之后,它使用ob_get_contents()来获取缓冲区的内容(通常是你的页面的所有HTML源代码)已经发送了浏览器)并将其放入一个字符串.

ob_end_clean()清空缓冲区并释放一些内存.我们不再需要源代码,因为我们只是将它存储在$ pageContents中.

然后,最后,我在页面的源代码($ pageContents)上为''的任何实例做一个简单的查找和替换,并将它们替换为$ pageTitle变量设置的任何内容.当然,它将替换<title></title>为您的页面标题.在那之后,我回应$ pageContents,就像浏览器一样.

它有效地保留在输出上,因此您可以在将其发送到浏览器之前对其进行操作.

希望我的评论足够清楚.如果你想知道它是如何工作的(并且你应该):) 在php手册(http://php.net/ob_start)中查找ob_start():)

Answer 2

Fed*_*oca 7

您像往常一样从数据库中解析字段.

然后让我们说你把它放在一个名为的变量中$title,你就是这样

<html>
<head>
<title>Ultan.me - <?php echo htmlspecialchars($title);?></title>
</head>

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编辑:

我看到你的问题.你必须$title在使用之前设置它.也就是说,您应该先查询数据库<title>...

短标签很奇怪 (6认同)

Answer 3

zer*_*kms 2

将数据检索移至脚本顶部，然后使用：

<title>Ultan.me - <?php echo htmlspecialchars($title, ENT_QUOTES, 'UTF-8'); ?></title>

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@ThatMacLad：你必须学习如何编程或雇用某人来做到这一点。没有其他选择。 (5认同)
你的年龄不是理由。如果您正在学习 - 那么尝试学习简单的代码示例，如果您正在工作 - 那么问题是您所做的工作您一无所知 (3认同)

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