[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 LIMIT 0,9";
$result = $db->query($sql) or die($db->error);
$all = [];
$i = 0;
while ($data = $result->fetch_assoc()) {
$all[$i] = $data;
$all[$i]['summary'] = mb_substr(strip_tags($data['content']), 0, 90);
$i++;
}
// die(var_export($all));
$smarty->assign('all', $all);
}