上传图片出错，这段代码我以前用的时候没报错
<!DOCTYPE html><br><html><br> <head><br> <meta charset=utf-8/><br> <title>War-game -Add Your score</title><br> </head><br> <body><br> <h2>War game - add your score</h2><br> <?php<br> <br> <br> include 'error_report.php';<br> $photo_dir='images/';<br><br><br> if(!empty($_POST['submit']))<br> {<br> $first_name=$_POST['first_name'];<br> $last_name=$_POST['last_name'];<br> $score=$_POST['score'];<br> if(!file_exists($photo_dir))<br> {<br> mkdir($photo_dir);<br> }<br> if($_FILES['image_upload']['error']>0)<br> {<br> echo 'Error:'.$_FILES['image_upload']['error'].'<br/>';<br> }<br> else{<br> $dbc=mysqli_connect('localhost','root','pengyu2408','score_list')or die('error in connet');<br> $query="INSERT INTO score_lis(first_name,last_name,score) VALUES('$first_name','$last_name','$score')";<br> mysqli_query($dbc,$query)or die('error_2');<br> $gpy=move_uploaded_file($_FILES['image_upload']['tmp_name'],$photo_dir.$_FILES['image_upload']['name']);<br> <br> echo '<p>thanks for adding your new high score!</p>';<br> echo '<p><strong>FIRST_NAME:</strong>'.$first_name.'<br/>';<br> echo '<strong>LAST_NAME:</strong>'.$last_name.'</p>';<br> echo '<p><strong>Score:</strong>'.$score.'<br/></p>';<br> echo '<img src="' . $photo_dir. $_FILES['image_upload']['name']. '" alt="上传图片出错，这段代码小弟我以前用的时候没报错" >';<br> echo '<p><a href="index_1.php"><<Back to hight score</a></p><div class="aritcle_card flexRow">
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</div>';<br> //clear the score data to clear the form<br> $firet_name="";<br> $last_name="";<br> mysqli_close($dbc);<br> }<br> }<br> ?><br> <hr /><br> <form entype="multipart/form-data" method ="post" action="<?php echo $_SERVER['PHP_SELF'];?>"><br> <label for="name">FIRST NAME:</label><br> <input type="text" id="first_name" name="first_name" /><br /><br> <label for="name">LAST NAME:</label><br> <input type="text" id="last_name" name="last_name"/><br /><br> <label for="score">Score:</label><br> <input type="text" id="score" name="score"/><br /><br> <input type="file" id="image_upload" name="image_upload"/><br /><br> <hr /><br> <input type="submit" value="ADD" name="submit"/><br> </form><br> </body><br></html><br>
这里报错信息显示未定义变量，这是什么情况？
------解决方案--------------------
你去看看addscore.php 39行看看，你这个代码不会就是addscore.php里吧
