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# iconv_mime_decode

(PHP 5)

iconv_mime_decode -- Decodes a MIME header field

## Description

string iconv_mime_decode ( string encoded_header [, int mode [, string charset]] )

Returns a decoded MIME field on success, or `FALSE` if an error occurs during the decoding.

mode determines the behaviour in the event iconv_mime_decode() encounters a malformed MIME header field. You can specify any combination of the following bitmasks.

表格 1. Bitmasks acceptable to iconv_mime_decode()

Value | Constant | Description
--- | --- | ---
1 | ICONV_MIME_DECODE_STRICT | If set, the given header is decoded in full conformance with the standards defined in RFC2047. This option is disabled by default because there are a lot of broken mail user agents that don't follow the specification and don't produce correct MIME headers.
2 | ICONV_MIME_DECODE_CONTINUE_ON_ERROR | If set, iconv_mime_decode() attempts to continue to process the given header even though an error occurs.

The optional charset parameter specifies the character set to represent the result by. If omitted, iconv.internal_charset will be used.

例子 1. iconv_mime_decode() example

`<?php // This yields "Subject: Prüfung Prüfung" echo iconv_mime_decode("Subject: =?UTF-8?B?UHLDvGZ1bmcgUHLDvGZ1bmc=?=", 0, "ISO-8859-1"); ?>`

See also iconv_mime_decode_headers(), mb_decode_mimeheader(), imap_mime_header_decode(), imap_base64() and imap_qprint().

后退 | 起点 | 前进
iconv_mime_decode_headers | 上一级 | iconv_mime_encode