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5-8 loginheader.php

5-10 css/my.css next

\[1062\] PHP7入門
===============

```

<?php
require_once 'header.php';
$page_title = '首頁';

// die(var_dump($_SESSION));

$op = isset($_REQUEST['op']) ? filter_var($_REQUEST['op']) : '';
$sn = isset($_REQUEST['sn']) ? (int) $_REQUEST['sn'] : 0;
switch ($op) {

default:
        if ($sn) {
            show_article($sn);
            $op = 'show_article';
        } else {
            list_article();
            $op = 'list_article';
        }
        break;
}

require_once 'footer.php';

/*************函數區**************/

//讀出單一文章
function show_article($sn)
{
    global $db, $smarty;

require_once 'HTMLPurifier/HTMLPurifier.auto.php';
    $config   = HTMLPurifier_Config::createDefault();
    $purifier = new HTMLPurifier($config);

$sql             = "SELECT * FROM `article` WHERE `sn`='$sn'";
    $result          = $db->query($sql) or die($db->error);
    $data            = $result->fetch_assoc();
    $data['content'] = $purifier->purify($data['content']);
    $smarty->assign('article', $data);
}

//讀出所有文章
function list_article()
{
    global $db, $smarty;

$sql    = "SELECT * FROM `article` ORDER BY `update_time` DESC";
    $result = $db->query($sql) or die($db->error);
    $all    = [];
    while ($data = $result->fetch_assoc()) {
        $all[] = $data;
    }
    // die(var_export($all));
    $smarty->assign('all', $all);
}
```

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