Update extend.func.php

优化扩展方法

src/system/extend.func.php

@@ -44,43 +44,44 @@ function obtainimgs($string, $num)
     preg_match_all("/<img([^>]*)\s*src=('|\")([^'\"]+)('|\")/", $string, $matches);
     $imgsrc_arr = array_unique($matches[3]);
     $i = 0;
-    $result = '';
+    $newimg = '';
     foreach ($imgsrc_arr as $imgsrc)
     {
         if ($i == $num) break;
-        $result .= "<img src=\"{$imgsrc}\">";
+        $newimg .= "<img src=\"{$imgsrc}\">";
         $i++;
     }
-    return $result;
+    return $newimg;
 }
 //文档图片注释自动为标题{dede:field.body function='obtainalt(@me)'/}
 function obtainalt($newalt)
 {
-    global $dsql, $id;
-    $row = $dsql->GetOne("SELECT title FROM `#@__archives` WHERE id='$id'");
-    //检查$row是否为有效的数组并且包含title
-    if (is_array($row) && isset($row['title'])) {
-        //图片注释自动为标题
-        $newalt = str_ireplace(array('alt=""', "alt=''", 'title=""', "title=''"), "", $newalt);
-        $newalt = str_ireplace("<img", "<img alt=\"".$row['title']."\" title=\"".$row['title']."\"", $newalt);
-        //去掉图片宽度和高度
-        $newalt = preg_replace("/style=\"width\:(.*)\"/", "", $newalt);
-        //去掉结尾多余的空格和斜杠
-        $newalt = str_ireplace("  ", " ", $newalt);
-        $newalt = str_ireplace(" /", "", $newalt);
-    }
+    global $dsql, $id, $aid;
+    $imgid = isset($id) ? $id : $aid;
+    $row = $dsql->GetOne("SELECT title FROM `#@__archives` WHERE id='$imgid'");
+    //检查$row是否有效
+    $title = isset($row['title']) ? $row['title'] : '';
+    //图片注释自动为标题
+    $newalt = str_ireplace(array('alt=""', 'alt=\'\'', 'title=""', 'title=\'\''), "", $newalt);
+    $newalt = str_ireplace("<img", "<img alt=\"{$title}\" title=\"{$title}\"", $newalt);
+    //去掉图片宽度和高度
+    $newalt = preg_replace("/style=\"width\:(.*)\"/", "", $newalt);
+    //去掉结尾多余的空格和斜杠
+    $newalt = str_ireplace("  ", " ", $newalt);
+    $newalt = str_ireplace(" /", "", $newalt);
     return $newalt;
 }
 //联动单筛选{dede:php}obtainfilter(模型id,类型,'字段1,字段2');{/dede:php}类型表示前台展现方式，对应case值，例如：文档模型style字段radio选项卡类型，列表附加字段类别添加style，标签调用{dede:php}obtainfilter(1,1,'style');{/dede:php}
 function obtainfilter($channelid, $type = 1, $fieldsnamef = '', $defaulttid = 0, $toptid = 0, $loadtype = 'autofield')
 {
-    global $tid, $dsql, $id;
+    global $dsql, $tid, $id, $aid;
     $tid = $defaulttid ? $defaulttid : $tid;
-    if ($id != "") {
-        $tidsq = $dsql->GetOne("SELECT * FROM `#@__archives` WHERE id='$id'");
+    if ($id != "" || $aid != "") {
+        $arcid = $id != "" ? $id : $aid;
+        $tidsq = $dsql->GetOne("SELECT * FROM `#@__archives` WHERE id='$arcid'");
         $tid = $toptid == 0 ? $tidsq["typeid"] : $tidsq["topid"];
     }
-    $nofilter = (isset($_REQUEST['TotalResult']) ? "&TotalResult=".$_REQUEST['TotalResult'] : '').(isset($_REQUEST['PageNo']) ? "&PageNo=".$_REQUEST['PageNo'] : '');
+    $nofilter = (isset($_REQUEST['Totalnewimg']) ? "&Totalnewimg=".$_REQUEST['Totalnewimg'] : '').(isset($_REQUEST['PageNo']) ? "&PageNo=".$_REQUEST['PageNo'] : '');
     $filterarr = stripos($_SERVER['REQUEST_URI'], "list.php?tid=") ? str_replace($nofilter, '', $_SERVER['REQUEST_URI']) : $GLOBALS['cfg_cmsurl']."apps/list.php?tid=".$tid;
     $cInfos = $dsql->GetOne("SELECT * FROM  `#@__channeltype` WHERE id='$channelid'");
     $fieldset=$cInfos['fieldset'];