php 获取目录下全部文件，并以数组写入php文件

    /**
     * @NodeAnotation(title="更新类节点")
     * @FunctionName:putTex
     * @User: hdd
     * @Date: 2021/11/26 0026 15:04
     */
    public function putTex()
    {
        // 获取当前文件的上级目录
        $con = dirname(__FILE__);
        // 扫描$con目录下的所有文件
        $filename = scandir($con);
        // 定义一个数组接收文件名
        $conname = array();
        foreach($filename as $k=>$v){
            // 跳过两个特殊目录   continue跳出循环
            if($v=="." || $v==".."){continue;}
            //截取文件名，我只需要文件名不需要后缀;然后存入数组。如果你是需要后缀直接$v即可
            $conname[] = substr($v,0,strpos($v,"."));
        }
        Db::connect('mysql_admin')->startTrans();
        try {
            //TODO 删除实例
            Db::connect('mysql_admin')->query('truncate table admin_class');

            $newArr = [];
            foreach ($conname as $k => $v)
            {
                $newArr[$k]['class_name'] = $v;
                $newArr[$k]['news_url'] = "\app\backend\controller\\$v::class";
            }
            //TODO 新增实例
            $res =  Db::connect('mysql_admin')->table('admin_class')->insertAll($newArr);
            if (!$res) {
                throw new Exception('数据新增失败');
            }
            //TODO 写入实例
            $result = [];
            foreach ($conname as $k => $v)
            {
                $result["$v"] = "\app\backend\controller\\$v::class,";
            }
            $new_resilt = [];
            foreach ($result as $k => $v) {
                $new_resilt[$k] = trim($v, '"');
            }

            $new_resilt = print_r($new_resilt, true);
            $new_resilt1 = str_replace('[', "'", $new_resilt);
            $new_resilt2 = str_replace(']', "'", $new_resilt1);
            $str = <<<EOT
<?php
/**
 * 通过反射获取实例
 */
return $new_resilt2;
EOT;
            $file = '/config/regNameSpase.php';
            $res = file_put_contents(dirname(dirname(app_path())).$file, $str);
            if (!$res) {
                throw new Exception('写入实例失败');
            }
            Db::connect('mysql_admin')->commit();
        }catch (\Exception $e) {
            Db::connect('mysql_admin')->rollback();
            return $this -> errorJson([], $e->getMessage());
        }
        return $this -> successJson();
    }