LVIIMimetype Functions

導入

The functions in this module try to guess the content type and encoding of a file by looking for certain magic byte sequences at specific positions within the file. While this is not a bullet proof approach the heuristics used do a very good job.

This extension is derivated from Apache mod_mime_magic, which is itself based on the file command maintaind by Ian F. Darwin. See the source code for further historic and copyright information.

要件

これらの関数は、標準モジュールの一部と して利用可能であり、常に使用できます。

インストール手順

You must compile PHP with the configure switch --with-mime-magic to get support for mime-type functions. The extension needs a copy of the simplified magic file that is distributed with the Apache httpd.

注意 The configure option has been changed from --enable-mime-magic to --with-mime-magic since PHP 4.3.2

注意 This extension is not capable of handling the fully decorated magic file that generally comes with standard Linux distro's and is supposed to be used with recent versions of file command.

実行用の設定

これらの関数の動作は、php.iniの設定により変化します。

表 1Mimetype configuration options

NameDefaultChangeable
mime_magic.magicfile"/usr/share/misc/magic.mime"PHP_INI_SYSTEM
For further details and definition of the PHP_INI_* constants see ini_set().

リソース型

この拡張モジュールはリソース型を全く定義し ません。

定義済みの定数

この拡張モジュールは定数を全く定義しませ ん。

目次
mime_content_type -- Detect MIME Content-type for a file