最近在使用阿里云主机的时候，发现用PHPEXCEL导出数据表时，系统报出以下错误：
Warning: realpath() [function.realpath]: open_basedir restriction in effect. File(/tmp) is not within the allowed path(s): (/data/home/byu2599880001/:/usr/home/byu2599880001/:/data/home/tmp/:/usr/home/tmp/:/var/www/disablesite/) in /data/home/byu2599880001/htdocs/peixun/PHPExcel/Shared/File.php on line 136
在网上查询，有些是让修改PHP.INI文件，但一般用主机类的用户都没有权限进行设置，后来在网上查询，是可以通过修改PHPExcel/Shared/File.php文件进行解决。
查找到以下代码函数function sys_get_temp_dir()
public static function sys_get_temp_dir()
{
// sys_get_temp_dir is only available since PHP 5.2.1
// http://php.net/manual/en/function.sys-get-temp-dir.php#94119
if (!function_exists('sys_get_temp_dir')) {
if ($temp = getenv('TMP')) {
if (file_exists($temp)) {
return realpath($temp);
}
}
if ($temp = getenv('TEMP')) {
if (file_exists($temp)) {
return realpath($temp);
}
}
if ($temp = getenv('TMPDIR')) {
if (file_exists($temp)) {
return realpath($temp);
}
}
// trick for creating a file in system's temporary dir
// without knowing the path of the system's temporary dir
$temp = tempnam(__FILE__, '');
if (file_exists($temp)) {
unlink($temp);
return realpath(dirname($temp));
}
return null;
}
// use ordinary built-in PHP function
//There should be no problem with the 5.2.4 Suhosin realpath() bug, because this line should only
//be called if we're running 5.2.1 or earlier
return realpath(sys_get_temp_dir());
}
将以上代码替换为以下代码：
public static function sys_get_temp_dir()
{
// use upload-directory when defined to make it running on
// environments having very restricted open_basedir configs
if (ini_get('upload_tmp_dir') !== false) {
if ($temp = ini_get('upload_tmp_dir')) {
if (file_exists($temp)) {
return realpath($temp);
}
}
}
// sys_get_temp_dir is only available since PHP 5.2.1
// http://php.net/manual/en/function.sys-get-temp-dir.php#94119
if (!function_exists('sys_get_temp_dir')) {
if ($temp = getenv('TMP')) {
if (file_exists($temp)) {
return realpath($temp);
}
if (($temp != '') && file_exists($temp)) {
return realpath($temp);
}
}
if ($temp = getenv('TEMP')) {
if (file_exists($temp)) {
return realpath($temp);
}
}
}
}
只需要将函数里的程序代码替换一下即可，函数名不用动。替换后问题解决。
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