delete_pic_train2.php

<?php
    $id = $_GET['id'];
    $pic='';
    if(!empty($_GET['pic'])){
	    $pic = $_GET['pic'];
    }

    if(empty(pic)){
	    throw new Exception('Error');
    }

    unlink($pic);
    $dirname = dirname($pic);
    $files = scandir($dirname);
    if (count($files)<=2){
        array_map('unlink', glob("$dirname/*.*"));
        rmdir($dirname);
    }

    header("Location: /enter_exit.php?id=".$id);
?>