上传图片时未定义的文件索引 [英] Undefined index in file while uploading image
问题描述
未定义的索引文件.. p>
我不明白是什么错误。请帮助
HTML代码..
< html>
< body>
< form action =upload.phpmethod =postenctype =multipart / form-data>
< input type =filename =photoid =file/>
< input type =submitname =submitvalue =Submit/>
< / form>
< / body>
< / html>
PHP代码...
<$ p $ ($($ _FILES [photo] [type] ==image / gif)
||($ _FILES [ photo] [type] ==image / jpeg)
||($ _FILES [photo] [type] ==image / png))
& amp ;&($ _FILES [photo] [size]< 1000000))
{
if($ _FILES [photo] [error]> 0)
{
echo返回代码:。 $ _FILES [photo] [error]。 ;
}
else
{
echoUpload:。 $ _FILES [photo] [name]。 ;
回显类型:。 $ _FILES [photo] [type]。 ;
回声大小:。 ($ _FILES [photo] [size] / 1024)。 Kb;
回显临时文件:。 $ _FILES [photo] [tmp_name]。 ;
if(file_exists(users /。$ _FILES [photo] [name]))
{
echo $ _FILES [photo] [名称] 。 已经存在。 ;
}
else
{
move_uploaded_file($ _ FILES [photo] [tmp ...users /。$ _FILES [photo] [name]) ;
echoStored in:。users /。$ _FILES [photo] [name];
}
}
else
{
echoInvalid file;
}
?>
您的处理程序有两个错误。
$ b 1)在你的最后一个 else
条件之上
2)以下行包含字符(
move_uploaded_file($ _ FILES [photo] [tmp ...users /。$ _FILES [photo photo] [name]);
其中:
<$ p $ $ _ FILES [photo] [tmp_name],users /。$ _FILES [photo photo] [name]);
重新编码的代码,已测试
($($ _FILES [photo] [type] ==image / gif)
||($ _FILES [照片] [type] ==image / jpeg)
||($ _FILES [photo] [type] ==image / png))
& &($ _FILES [photo] [size]< 1000000))
{
if($ _FILES [photo] [error]> 0)
{
回显返回代码:。 $ _FILES [photo] [error]。 ;
}
else
{
echoUpload:。 $ _FILES [photo] [name]。 ;
echo< br>;
回显类型:。 $ _FILES [photo] [type]。 ;
echo< br>;
回声大小:。 ($ _FILES [photo] [size] / 1024)。 Kb;
echo< br>;
回显临时文件:。 $ _FILES [photo] [tmp_name]。 ;
echo< br>;
if(file_exists(users /。$ _FILES [photo] [name]))
{
echo $ _FILES [photo] [名称] 。 已经存在。 ;
$
$ b $ //错误行比较错误
move_uploaded_file($ _ FILES [photo] [ tmp ...users /。$ _FILES [photo] [name]);
$ b $ move_uploaded_file($ _ FILES [photo] [tmp_name],users /。$ _FILES [photo] [name]);
echoStored in:。users /。$ _FILES [photo] [name];
}
}
} //这是丢失的大括号
else
{
echo无效文件;
}
?>
||($ _FILES [照片] [type] ==image / jpeg)
||($ _FILES [photo] [type] ==image / png))
& &($ _FILES [photo] [size]< 1000000))
{
if($ _FILES [photo] [error]> 0)
{
回显返回代码:。 $ _FILES [photo] [error]。 ;
}
else
{
echoUpload:。 $ _FILES [photo] [name]。 ;
echo< br>;
回显类型:。 $ _FILES [photo] [type]。 ;
echo< br>;
回声大小:。 ($ _FILES [photo] [size] / 1024)。 Kb;
echo< br>;
回显临时文件:。 $ _FILES [photo] [tmp_name]。 ;
echo< br>;
if(file_exists(users /。$ _FILES [photo] [name]))
{
echo $ _FILES [photo] [名称] 。 已经存在。 ;
$
$ b $ //错误行比较错误
move_uploaded_file($ _ FILES [photo] [ tmp ...users /。$ _FILES [photo] [name]);
$ b $ move_uploaded_file($ _ FILES [photo] [tmp_name],users /。$ _FILES [photo] [name]);
echoStored in:。users /。$ _FILES [photo] [name];
}
}
} //这是丢失的大括号
else
{
echo无效文件;
}
?>
新增奖励: c $ c> echo< br>; 来分隔上传成功的字段。
p>
上传:image_test.jpg
类型:image / jpeg
大小:26.16015625 Kb
Temp文件:/ tmp / phpifKd7I
存放在:users / image_test.jpg
而不是一行。
I am trying to create a form where a user can upload images. I'm using php for validation of this file to see whether it is an image file or not but I am getting an error
"Undefined index file.."
I can't understand what's wrong.. Please help
HTML code..
<html>
<body>
<form action="upload.php" method="post" enctype="multipart/form-data">
<input type="file" name="photo" id="file" />
<input type="submit" name="submit" value="Submit" />
</form>
</body>
</html>
PHP code...
<?php
if ((($_FILES["photo"]["type"] == "image/gif")
|| ($_FILES["photo"]["type"] == "image/jpeg")
|| ($_FILES["photo"]["type"] == "image/png"))
&& ($_FILES["photo"]["size"] < 1000000))
{
if ($_FILES["photo"]["error"] > 0)
{
echo "Return Code: " . $_FILES["photo"]["error"] . " ";
}
else
{
echo "Upload: " . $_FILES["photo"]["name"] . "";
echo "Type: " . $_FILES["photo"]["type"] . "";
echo "Size: " . ($_FILES["photo"]["size"] / 1024) . " Kb";
echo "Temp file: " . $_FILES["photo"]["tmp_name"] . "";
if (file_exists("users/" . $_FILES["photo"]["name"]))
{
echo $_FILES["photo"]["name"] . " already exists. ";
}
else
{
move_uploaded_file($_FILES["photo"]["tmp… "users/" . $_FILES["photo"]["name"]);
echo "Stored in: " . "users/" . $_FILES["photo"]["name"];
}
}
else
{
echo "Invalid file";
}
?>
There were two things wrong with your handler.
1) There was a missing closing brace above your last else
condition
2) The following line contained characters (dots in tmp...
) that didn't belong:
move_uploaded_file($_FILES["photo"]["tmp… "users/" . $_FILES["photo"]["name"]);
Which was changed to:
move_uploaded_file($_FILES["photo"]["tmp_name"], "users/" . $_FILES["photo"]["name"]);
Reformatted code, tested
<?php
if ((($_FILES["photo"]["type"] == "image/gif")
|| ($_FILES["photo"]["type"] == "image/jpeg")
|| ($_FILES["photo"]["type"] == "image/png"))
&& ($_FILES["photo"]["size"] < 1000000))
{
if ($_FILES["photo"]["error"] > 0)
{
echo "Return Code: " . $_FILES["photo"]["error"] . " ";
}
else
{
echo "Upload: " . $_FILES["photo"]["name"] . "";
echo "<br>";
echo "Type: " . $_FILES["photo"]["type"] . "";
echo "<br>";
echo "Size: " . ($_FILES["photo"]["size"] / 1024) . " Kb";
echo "<br>";
echo "Temp file: " . $_FILES["photo"]["tmp_name"] . "";
echo "<br>";
if (file_exists("users/" . $_FILES["photo"]["name"]))
{
echo $_FILES["photo"]["name"] . " already exists. ";
}
else
{
// error line for you to compare the error
// move_uploaded_file($_FILES["photo"]["tmp… "users/" . $_FILES["photo"]["name"]);
move_uploaded_file($_FILES["photo"]["tmp_name"], "users/" . $_FILES["photo"]["name"]);
echo "Stored in: " . "users/" . $_FILES["photo"]["name"];
}
}
} // this was the missing closing brace
else
{
echo "Invalid file";
}
?>
Added bonus: I added a few echo "<br>";
to seperate the fields on successful upload.
Which will appear like this:
Upload: image_test.jpg
Type: image/jpeg
Size: 26.16015625 Kb
Temp file: /tmp/phpifKd7I
Stored in: users/image_test.jpg
instead of on one line.
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