php照片批量上传,去掉最后一个斜杠之后内容

 dump($_FILES);        $arr = array();      //wo为文件input name名               for($i=0;$i<count($_FILES['wo']['name']);$i++ ){            $arr[$i]['name'] = $_FILES['wo']['name'][$i];            $arr[$i]['type'] = $_FILES['wo']['type'][$i];            $arr[$i]['tmp_name'] = $_FILES['wo']['tmp_name'][$i];            $arr[$i]['error'] = $_FILES['wo']['error'][$i];            $arr[$i]['size'] = $_FILES['wo']['size'][$i];        }        dump($arr);        die;

**去掉最后一个斜杠之后内容**$str = '一句话描/述(您的)疑问/123一二三abc';$str = preg_replace('/(.*)\/{1}([^\/]*)/i', '$1', $str);echo $str;