php.ini changes but not effective in ubuntu
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I want change the limit of php upload file's size<br/>
And this is some information of my phpinfo.<br>

    Configuration File (php.ini) Path	/etc/php5/apache2
    Loaded Configuration File	/etc/php5/apache2/php.ini

And this is the content of my php.ini file:

    upload_max_filesize = 50M
    post_max_size = 50M
    memory_limit = 128M

Then i restart apache2,but the phpinfo show is also:

    upload_max_filesize	2M
