php 获取目录下所有文件实现代码_PHP教程

php教程 获取目录下所有文件实现代码class a{     private $img_dir;        private $img_path;        private $face_files = array();        private $allow_extension = array();private function get_face_files()        {            $files = array();            if(is_dir($this->img_dir))            {                if ($dh = opendir($this->img_dir))                {                    while (($file = readdir($dh)) !== false)                    {                        if($file == '.') continue;                        if($file == '..') continue;                        $fileinfo = explode('.', (basename($file)));                        if(in_array($fileinfo[1], $this->allow_extension))                        {                            $files[] = array(                                'filename' => $fileinfo[0],                                'extension' => $fileinfo[1],                            );                        }                    }                    closedir($dh);                }            }            return $files;        }}