问题描述
我将nginx用作Web服务器，当我执行phpinfo()时；它使用/etc/php5/fpm/php.ini
I am using nginx as web server and when I do phpinfo(); it uses /etc/php5/fpm/php.ini
现在在我的php代码中，我正在尝试使用以下代码设置文件上传大小和最大文件上传数量.
Now in my php code I am trying to set file upload size and max file uploads using following code.
ini_set('max_file_uploads', "50");
ini_set('upload_max_filesize', '250M');
但是当我执行ini_get('max_file_uploads')并回显该值时，它显示的默认值为20，实际上，我无法在运行时使用ini_set()更改任何ini值.
But when I do ini_get('max_file_uploads') and echo the value it shows the default value as 20, infact I am not able to change any of the ini values in run time using ini_set().
关于如何在运行时使用php代码更改这些值的任何想法?
Any ideas on how to change these values in run time using php code?
谢谢.
推荐答案
并非所有的PHP ini指令都可以在运行时更改(通过ini_set).请参阅PHP手册和定义可更改性值，即PHP_INI_SYSTEM和PHP_INI_PERDIR作为您所需的设置，但都不能在运行时进行设置.
Not all PHP ini directives can be changed at runtime (via ini_set). See the file uploads section of the PHP manual and the definition of the changeability values, which are PHP_INI_SYSTEM and PHP_INI_PERDIR for your desired settings, neither of which can be set at runtime.
要仅在应用的一部分中获得这些设置，您可能需要妥协并在php.ini文件中全局设置max_file_uploads设置(因为它是PHP_INI_SYSTEM)，然后使用您喜欢的按目录配置机制(.htaccess， .user.ini(> 5.3)等)为您应用的特定部分设置upload_max_filesize. 参见此处以获取良好的说明.
To get these settings in only one part of your app, you'll likely need to compromise and set max_file_uploads setting globally in your php.ini file (since it is PHP_INI_SYSTEM), and then use your favorite per-directory config mechanism (.htaccess, .user.ini (in >5.3), etc) to set upload_max_filesize for that particular part of your app. See here for good instructions.
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