This article mainly introduces the simple anti-leeching method of PHP, involving PHP's related skills for server-side predefined variable calling and string processing. It has certain reference value. Friends in need can refer to it
The details are as follows:
'http://blog.qita.in/images/banner-header.gif', //盗链返回的地址 'url_1' => 'http://blog.qita.in/file', 'url_2' => 'http://blog.qita.in/file1', ); $okaysites = array( 'http://qita.in', 'http://blog.qita.in', //白名单 'http://blog.qita.in/1.html', ); $reffer = $_SERVER['HTTP_REFERER']; if ($reffer) { $yes = 0; while (list($domain, $subarray) = each($okaysites)) { if (ereg($subarray, "$reffer")) { $yes = 1; } } $theu = 'url_' . $_GET['site']; $file = $_GET['file']; if ($ADMIN[$theu] and $yes == 1) { header("Location: $ADMIN[$theu]/$file"); } else { header("Location: $ADMIN[defaulturl]"); } } else { header("Location: $ADMIN[defaulturl]"); } print_r($_SERVER['HTTP_REFERER']); ?>
Summary: The above is the entire content of this article, I hope it will be helpful to everyone's study.
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