First commit

source/class/helper/helper_attach.php

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+<?php
+
+/**
+ *      [Discuz!] (C)2001-2099 Comsenz Inc.
+ *      This is NOT a freeware, use is subject to license terms
+ *
+ *      $Id: helper_attach.php 32531 2013-02-06 10:15:19Z zhangguosheng $
+ */
+
+if(!defined('IN_DISCUZ')) {
+	exit('Access Denied');
+}
+
+class helper_attach {
+
+	public static function makethumbpath($id, $w, $h){
+		$dw = intval($w);
+		$dh = intval($h);
+		$_daid = sprintf("%09d", $id);
+		$dir1 = substr($_daid, 0, 3);
+		$dir2 = substr($_daid, 3, 2);
+		$dir3 = substr($_daid, 5, 2);
+		return $dir1.'/'.$dir2.'/'.$dir3.'/'.substr($_daid, -2).'_'.$dw.'_'.$dh.'.jpg';
+	}
+
+	public static function attachpreurl() {
+		static $attachurl = null;
+		if($attachurl === null) {
+			global $_G;
+			$parse = parse_url($_G['setting']['attachurl']);
+			$attachurl = !isset($parse['host']) ? $_G['siteurl'].$_G['setting']['attachurl'] : $_G['setting']['attachurl'];
+		}
+		return $attachurl;
+	}
+
+}
+
+?>