iconv_mime_decode
(PHP 5)
iconv_mime_decode — Decodes a MIME header field
说明
string iconv_mime_decode ( string $encoded_header [, int $mode = 0 [, string $charset = ini_get("iconv.internal_encoding") ]] )Decodes a MIME header field.
参数
- encoded_header
-
The encoded header, as a string.
- mode
-
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.
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_headers() attempts to ignore any grammatical errors and continue to process a given header. - charset
-
The optional charset parameter specifies the character set to represent the result by. If omitted, iconv.internal_encoding will be used.
返回值
Returns a decoded MIME field on success, or FALSE if an error occurs during the decoding.
范例
Example #1 iconv_mime_decode() example
<?php
// This yields "Subject: Prüfung Prüfung"
echo iconv_mime_decode("Subject: =?UTF-8?B?UHLDvGZ1bmcgUHLDvGZ1bmc=?=",
0, "ISO-8859-1");
?>
参见
- iconv_mime_decode_headers() - Decodes multiple MIME header fields at once
- mb_decode_mimeheader() - Decode string in MIME header field
- imap_mime_header_decode() - Decode MIME header elements
- imap_base64() - Decode BASE64 encoded text
- imap_qprint() - Convert a quoted-printable string to an 8 bit string
