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MIME
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Method MIME.tokenize()
- Method
tokenize
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array(string|int) MIME.tokenize(string header)
- Description
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A structured header field, as specified by RFC822, is constructed from
a sequence of lexical elements.
These are:
individual special characters
quoted-strings
domain-literals
comments
atoms
This function will analyze a string containing the header value,
and produce an array containing the lexical elements.
Individual special characters will be returned as characters (i.e.
int s).
Quoted-strings, domain-literals and atoms will be decoded and returned
as strings.
Comments are not returned in the array at all.
- Note
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As domain-literals are returned as strings, there is no way to tell the
domain-literal [127.0.0.1] from the quoted-string
"[127.0.0.1]". Hopefully this won't cause any problems.
Domain-literals are used seldom, if at all, anyway...
The set of special-characters is the one specified in RFC1521
(i.e. "<", ">", "@", ",", ";", ":", "\", "/", "?", "=" ),
and not the set specified in RFC822.
- See also
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MIME.quote() , tokenize_labled() ,
decode_words_tokenized_remapped() .
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