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此扩展没有在 php.ini 中定义配置指令。

User Contributed Notes

thomandre at gmail dot com 30-May-2013 02:41


In the PHP 5.3.13 CLI version, it might use the "MAGIC" environnement variable to get the magic database file. Due to the fact that this version doesn't use the standard format, this file may be wrong. You can see it via a simple script : 



<?php

    var_dump($_SERVER['MAGIC']);

?>



Unset this variable and it will work again. You can use unsetenv (C-Shell) or unset (Bourne Shell).



This does not affect the Apache version. Other CLI versions might be affected.



I lost a lot of time on this undocumented issue.

sam nospam at archives.org.au 23-Mar-2010 10:03


In addition to

 extension=fileinfo.so

I also had to add

 mime_magic.magicfile=/usr/share/file/magic

to my php configuration.  Then, I instantiate Finfo thus:



<?php

$mimeMagicFile = get_cfg_var('mime_magic.magicfile');

$finfo = new finfo(FILEINFO_MIME, $mimeMagicFile);

?>



(This is despite the rumours I hear about the default being exactly what I set it to anyway.)

wade at waddles dot org 12-Aug-2008 08:18


On Ubuntu Feisty, you need to add the line



extension=fileinfo.so



to your /etc/php5/*/php.ini files. The extension gets linked at compile time to /usr/lib/libmagic.so.1 which uses a MAGIC environment variable which defaults to 



/etc/magic:/usr/share/file/magic

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