php上传图片不超过2MB笔记记录

<?phpif(is_uploaded_file($_FILES['file']['tmp_name'])){    $file='upload/'.basename($_FILES['file']['name']);    if(move_uploaded_file($_FILES['file']['tmp_name'], $file)){        if($_FILES['file']['type']=='image/png' || $_FILES['file']['type']=='image/jpeg'){            if($_FILES['file']['size'] <2000000){//小于2MB时                echo $_FILES['file']['tmp_name'];                echo '<br>';                echo $_FILES['file']['name'];//档案名称                echo '<br>';                echo $_FILES['file']['size'], ' byte';                echo '<br>';                echo $file, '上传成功。';                echo '<p><img src="',$file,'"></p>';            }else{                echo '此图片不可超过2M';            }        }else{//如果不为图档的话            echo '此副档名需为jpg.jpge.png';        }    }else{        echo '上传失败。';    }}else{    echo '请选择档案。';}?>