得到文件的文件名 （不带扩展名）

 //得到文件的文件名,不带扩展名
    public function getFileName($arrFileName)
    {
        $newFlieNames = array();
        foreach($arrFileName as $key=>$value){
            $houzhui = substr(strrchr($value, '.'), 1);
            $newFlieNames[] = str_replace(".".$houzhui,'',$value);
        }
        //dd($newFlieNames);
        return $newFlieNames;
    }

应用：

         判断一个文件是否在该目录列表中

 //公司文件列表  目录遍历方法
        $directories = "D:\wamp\dmp_line2\uploads\cmp_001";
        $fileList = $this->listdir($directories);
        $file = new File();
        $fileList = $file->getFileName($fileList);

        $postFileName = iconv("UTF-8","GB2312",$filename);
        $postFileName = $file->getFileName(array($postFileName));