照片上传 - 不适用于Linux服务器

问题描述：

我有这个代码，在Windows服务器上完美运行，但现在我正在尝试在Linux服务器上运行它，表单提交，我没有错误，但是

照片没有上传，标题文件没有写....任何想法为什么？

<？php

包括''gall_settings.inc'';

//检查目录是否存在。

if（！is_dir（" $） upload_dir"））

{

die（"目录（$ upload_dir）不存在"）;

}

//检查目录是否可写。

if（！is_writeable（" $ upload_dir"））{\\ n br />
die（"目录（$ upload_dir）是不可写的，

请Chmod（777）"）;

}

//首先检查文件是否被选中

// is_filetoupload_file（''filename''）如果
//文件是通过HTTP POST的filetoupload。否则返回false。

if（is_uploaded_file（$ _ FILES [''filetoupload''] [''tmp_name'']））

{

//获取文件大小

$ size = $ _FILES [''filetoupload''] [''size''];

//确保$ size小于1MB（1000000字节）

if（$ size> $ size_bytes）

{

echo" ;错误！ &quot ;;

echo"文件太大。请再试一次。;

include（''gall_footer.php''）;

exit（）;

}

$ gallery = $ _POST [gallery];

//检查用户是否选择了要上传的照片库。

if（$ gallery！==""）

{

开关（$ gallery）

{

case" 01"：

echo" Gallery：01 &quot ;;

break;

case" 02"：

echo" Gallery：02 &quot ;;

break;

case" 03"：

echo" Gallery：03 &quot ;;

break;

case" 04"：

echo Gallery：04 &quot ;;

break;

case" 05"：

echo" Gallery：05 &quot ;;

休息;

默认：

$ gallery =''01'';

echo错误：未选择有效图库。 &quot ;;

echo" File has已保存到默认图库：图库01 &quot ;;

}

}

其他

{

echo"错误！ &quot ;;

echo"请选择有效的图库： &quot ;;

include（''gall_footer.php''）;

exit（）;

}

// $ filename将保存从表单提交的文件名的值。

// $ caption保存用户照片的标题值

写在表格上。

$ filename = $ _FILES [''filetoupload''] [''name''];

$ caption = $ _POST [''caption''];

//从文件名和标题中删除非法字符

$ strippedNam = preg_replace（''/ [^ a-z0-9 _。，] / i''，''''，$ filename）;

$ strippedCap = preg_replace（''/ [^ a-z0-9_。，] / i''，''''，$ caption）;

//检查文件是否已经是EXISTS。

if（file_exists（$ upload_dir。$ strippedNam））{

echo"错误！ ";

echo"文件 $ strippedNam已经存在&quot ;;

include（''gall_footer.php''）;

退出（）;

}

//将文件移动到您选择的目录

// move_filetoupload_file（''filename' '，''destination''）将filetoupload

文件移动到新位置。

如果

（move_uploaded_file（$ _ FILES ['' filetoupload''] [''tmp_name'']，$ upload_dir。$ strippedNam））

{

//告诉用户该文件已被已上传

echo"上传完成！ &quot ;;

echo"文件名：< a href =' '$ upload_dir $ strippedNam''> $ strippedNam< / a> &quot ;;

echo" Caption：$ strippedCap ";

echo"< a href = / page.php？t itle = gallery>转到公开照片

图库< / a> &quot ;;

include（''gall_footer.php''） ;

//在追加模式下打开字幕文件

$ imageFile = $ strippedNam;

$ captionText = $ strippedCap;

//设置要写入文件的字符串

$ values =" $ gallery | $ imageFile | $ captionText \\\\ n" ;

//打开文件进行截断写作

$ fp = fopen（" $ captionFile"，" a"）或die（"）无法打开

写入的数据文件！"）;

$ numBytes = fwrite（$ fp，$ values）或死（不能将值写入文件！"）;

fclose（$ fp）;

// echo"成功写入$ numBytes字节到数据文件！ ;;

退出（）;

}

其他

{

//打印错误

echo"错误！ &quot ;;

echo& ;上传文件时出现问题 &quot ;;

echo"请检查文件名，然后重试。 ";

include （''gall_footer.php''）;

退出（）;

}

}

？>

I have this code, works perfectly on Windows server, but now i''m trying
to run it on a Linux server, the form submits, i get no errors, but the
photo doesnt upload, and the caption file doesnt write.... any ideas why??

<?php

include ''gall_settings.inc'';

//check if the directory exist or not.
if (!is_dir("$upload_dir"))
{
die ("The directory ($upload_dir) doesn''t exist");
}

//check if the directory is writable.
if (!is_writeable("$upload_dir")){
die ("The directory ($upload_dir) is NOT writable,
Please Chmod (777)");
}

//Check first if a file has been selected
//is_filetoupload_file(''filename'') returns true if
//a file was filetoupload via HTTP POST. Returns false otherwise.
if (is_uploaded_file($_FILES[''filetoupload''][''tmp_name'']))
{
//Get the Size of the File
$size = $_FILES[''filetoupload''][''size''];
//Make sure that $size is less than 1MB (1000000 bytes)
if ($size > $size_bytes)
{
echo "Error! ";
echo "File Too Large. Please try again.";
include (''gall_footer.php'');
exit();
}

$gallery = $_POST[gallery];

//check if the user has selected photo gallery to upload to.
if ($gallery !== "")
{
switch($gallery)
{
case "01":
echo "Gallery: 01 ";
break;
case "02":
echo "Gallery: 02 ";
break;
case "03":
echo "Gallery: 03 ";
break;
case "04":
echo "Gallery: 04 ";
break;
case "05":
echo "Gallery: 05 ";
break;
default:
$gallery = ''01'';
echo "ERROR: Valid Gallery was not selected. ";
echo "File has been saved into Default Gallery: Gallery 01 ";
}
}
else
{
echo "Error! ";
echo "Please select a valid Gallery: ";
include (''gall_footer.php'');
exit();
}

// $filename will hold the value of the file name submitted from the form.
// $caption holds the value of the caption for the photo that the user
has written on the form.
$filename = $_FILES[''filetoupload''][''name''];
$caption = $_POST[''caption''];

// strip illegal characters from Filename and Caption
$strippedNam = preg_replace(''/[^a-z0-9_., ]/i'','''',$filename);
$strippedCap = preg_replace(''/[^a-z0-9_., ]/i'','''',$caption);

// Check if file is Already EXISTS.
if(file_exists($upload_dir.$strippedNam)){
echo "Error! ";
echo "File $strippedNam already exists";
include (''gall_footer.php'');
exit();
}

//Move the File to the Directory of your choice
//move_filetoupload_file(''filename'',''destination'') Moves an filetoupload
file to a new location.
if
(move_uploaded_file($_FILES[''filetoupload''][''tmp_name''],$upload_dir.$strippedNam))
{

//tell the user that the file has been uploaded
echo "Upload Complete! ";
echo "Filename: <a href=''$upload_dir$strippedNam''>$strippedNam</a> ";
echo "Caption: $strippedCap ";
echo "<a href=/page.php?title=gallery>Go to Public Photo
Gallery</a> ";
include (''gall_footer.php'');

// Open captions file in Append mode

$imageFile = $strippedNam;
$captionText = $strippedCap;
// Set the string to be written to the file
$values = "$gallery|$imageFile|$captionText\r\n";

// Open the file for truncated writing
$fp = fopen("$captionFile", "a") or die("Couldn''t open data file for
writing!");
$numBytes = fwrite($fp, $values) or die("Couldn''t write values to file!");

fclose($fp);
// echo "Wrote $numBytes bytes to data file successfully!";
exit();

}
else
{
//Print error
echo "Error! ";
echo "There was a problem uploading your file ";
echo "Please check the filename and try again. ";
include (''gall_footer.php'');
exit();

}
}

?>

答

upload_dir"））

{

die（"目录（

upload_dir"))
{
die ("The directory (

upload_dir）不存在"）;

}

//检查目录是否可写。

if（！is_writeable （"

upload_dir) doesn''t exist");
}

//check if the directory is writable.
if (!is_writeable("

upload_dir"））{

die（"目录（

upload_dir")){
die ("The directory (

照片上传 - 不适用于Linux服务器

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