View Compilation Error

0_0_35825989_26447\Main.java:1: 错误: 需要class, interface或enum
<?php
^
0_0_35825989_26447\Main.java:1: 错误: 需要class, interface或enum
<?php
 ^
0_0_35825989_26447\Main.java:1: 错误: 需要class, interface或enum
<?php
  ^
0_0_35825989_26447\Main.java:4: 错误: 非法字符: '\'
namespace App\Oj;
             ^
0_0_35825989_26447\Main.java:6: 错误: 需要class, interface或enum
use App\JudgeStatus;
^
0_0_35825989_26447\Main.java:6: 错误: 非法字符: '\'
use App\JudgeStatus;
       ^
0_0_35825989_26447\Main.java:7: 错误: 需要class, interface或enum
use App\Problem;
^
0_0_35825989_26447\Main.java:7: 错误: 非法字符: '\'
use App\Problem;
       ^
0_0_35825989_26447\Main.java:13: 错误: 需要<标识符>
    public function getResult($judge_id);
                                       ^
9 个错误