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我有一個html和php代碼（下面）和一個template.php，我在其中定義了一個可變名稱 - $ content和$ title以及我創建的每一頁我想不同地定義這些變量和include template.php，所有頁面的設計都一樣。將一個html和php代碼堆棧在一個php變量中
HTML和PHP代碼 - indexForum.php：
<?php
session_start();
$db=mysqli_connect("localhost","root","","travelersdb");
if(@$_SESSION["username"]){
?>
<?php
// function to connect and execute the query
function filterTable($query)
{
$connect=mysqli_connect("localhost","root","","travelersdb");
$filter_Result = mysqli_query($connect, $query);
return $filter_Result;
}
if(isset($_POST['search']))
{
$valueToSearch = $_POST['valueToSearch'];
$valueToSearchTwo = $_POST['valueToSearchTwo'];
// search in all table columns
$query = "SELECT * FROM `topics` WHERE (topic_creator = '".$valueToSearch."' OR topic_id='".$valueToSearchTwo."') ";
$search_result = filterTable($query);
}
else {
$query = "SELECT * FROM `topics`";
$search_result = filterTable($query);
}
?>
<html>
<head>
<title>Home Page</title>
<body>
</body>
</head>
<?php include("header.php");?>
<center>
</br>
<a href ="post.php"><button>Post</button></a>
</br>
<br/>
<form action="indexForum.php" method="post">
<input type="text" name="valueToSearch" placeholder="topic_creator"><br><br>
<input type="text" name="valueToSearchTwo" placeholder="id"><br><br>
<input type="submit" name="search" value="serach"><br><br>
<br/>
<?php echo '<table border="1px">';?>
<tr>
<td>
<span>ID</span>
<td width="400px;" style="text-align:center;">
Pic
</td>
<td width="400px;" style="text-align:center;">
Name
</td>
<td width="80px;" style="text-align: center;">
Views
</td>
<td width="80px;" style="text-align: center;">
Creator
</td>
<td width="80px;" style="text-align: center;">
Date
</td>
</tr>
</center>
<body>
</body>
</html>
<?php
$sql = "Select * from topics";
$check = mysqli_query($db,$sql);
$rows = mysqli_num_rows($search_result);
if($rows != 0){
while ($row = mysqli_fetch_assoc($search_result)){
$id = $row['topic_id'];
echo "<tr>";
echo "<td>".$row['topic_id']."</td>";
echo "<td><image src='".$row['topic_pic']."' width='60' height='60'></td>";
echo "<td style='text-align:center;'><a href='topic.php?id=$id'>".$row['topic_name']."</a></td>";
echo "<td>".$row['views']."</td>";
$sql_u = "Select * from users where username='".$row['topic_creator']."'";
$check_u = mysqli_query($db,$sql_u);
while ($row_u = mysqli_fetch_assoc($check_u))
{
$user_id = $row_u['id'];
}
echo "<td><a href='profile.php?id=$user_id'>".$row['topic_creator']."</a></td>";
$get_date = $row['date'];
echo "<td>".$row['date']."</td>";
echo "</tr>";
}
}else{
echo "No topics found";
}
echo "</table>";
if (@$_GET['action']=="logout"){
session_destroy();
header('location:login.php');
}
}else
{
echo "You must be logged in.";
?>
<a href ="index.php">Home Page</a><br/></br>
<a href ="login.php">Login</a>
<?php header('location:indexForum.php');?>
<?php
}
?>
<?php include template.php ?>
的template.php：
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title><?php echo $title; ?></title> -------------------
<link rel="stylesheet" type="text/css" href="Styles/Stylesheet.css" />
</head>
<body>
<div id="wrapper">
<div id="banner">
</div>
<nav id="navigation">
<ul id="nav">
<li><a href="index.php">Home</a></li>
<li><a href="topics.php">Coffee</a></li>
<li><a href="#">Shop</a></li>
<li><a href="#">About</a></li>
<li><a href="Management.php">Management</a></li>
</ul>
</nav>
<div id="content_area">
<?php echo $content; ?> ---------
</div>
<div id="sidebar">
</div>
<footer>
<p>All rights reserved</p>
</footer>
</div>
</body>
</html>
所以我的問題是，在一般情況下，我怎麼能定義indexForum.php所有代碼並將其堆疊到$ content變量中，以便在我編寫include template.php時，他會識別該變量，並且所有內容都將在模板中進行設計。謝謝！