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