iconv_mime_decode

Decodes a MIME header field

Description

stringfalse iconv_mime_decode(string $string, int $mode = 0, stringnull $encoding = null)

Decodes a MIME header field.

Parameters

string

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.

encoding

The optional encoding parameter specifies the character set to represent the result by. If omitted or null, iconv.internal_encoding will be used.

Return Values

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

Changelog

Version Description
8.0.0 encoding is nullable now.

Examples

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");
?>

See Also

  • iconv_mime_decode_headers
  • mb_decode_mimeheader
  • imap_mime_header_decode
  • imap_base64
  • imap_qprint