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PHP. Руководство по PHP. 2005

Mimetype Functions

LXXIV. Mimetype Functions

Введение

Внимание

This extension has been deprecated as the PECL extension fileinfo provides the same functionality (and more) in a much cleaner way.

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

Требования

Эти функции всегда доступны.

Установка

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.

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

Замечание: 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.

Note to Win32 Users: In order to use this module on a Windows environment, you must set the path to the bundled magic.mime file in your php.ini.

Пример 1. Setting the path to magic.mime
mime_magic.magicfile = "$PHP_INSTALL_DIR\magic.mime"

Remember to substitute the $PHP_INSTALL_DIR for your actual path to PHP in the above example. e.g. c:\php

Настройка во время выполнения

Поведение этих функций зависит от установок в php.ini.

Таблица 1. Mimetype configuration options
Name Default Changeable Changelog
mime_magic.debug "0" PHP_INI_SYSTEM Available since PHP 5.0.0.
mime_magic.magicfile "/path/to/php/magic.mime" PHP_INI_SYSTEM Available since PHP 4.3.0.

Name	Default	Changeable	Changelog
mime_magic.debug	"0"	PHP_INI_SYSTEM	Available since PHP 5.0.0.
mime_magic.magicfile	"/path/to/php/magic.mime"	PHP_INI_SYSTEM	Available since PHP 4.3.0.

Для подробного описания констант PHP_INI_*, обратитесь к документации функции ini_set().

Краткое разъяснение конфигурационных директив.

mime_magic.debug bool: Enable/disable debugging.
mime_magic.magicfile string: The path to the magic.mime file.

Типы ресурсов

Данное расширение не определяет никакие типы ресурсов.

Предопределенные константы

Данное расширение не определяет никакие константы.

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

Пред. Начало След.

mhashУровень выше

mime_content_type

Отвечу на любые вопросы. С уважением, Дмитрий Владимирович.

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