12-10-2008
My code was meant to show you the general process of MIME decoding (and mostly concept). It was not quite good for production use. Parsing a real-world email message is likely slightly more complex due to existence of variations.
To be frank, if you can get hold of PHP 5, as indicated in the inline comment, the simplest approach would be to use the iconv_mime_decode() function which is a one-stop shop of what you want. There was a (intentional) flaw in my posted code because it didn't handle the case where the encoding is quoted-printable, that is also supported by MIME. For simplicity, I only posted the part which decodes Base64, because that was used in your sample posted.
If you get hold of the concepts needed, you may then check other languages or tools to see if they may better suit your environment compared with PHP. As PHP install is typically pretty big, it may not be necessarily suitable in all deployment environments (say on very limited storage space).
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LEARN ABOUT PHP
php_strip_whitespace
PHP_STRIP_WHITESPACE(3) 1 PHP_STRIP_WHITESPACE(3)
php_strip_whitespace - Return source with stripped comments and whitespace
SYNOPSIS
string php_strip_whitespace (string $filename)
DESCRIPTION
Returns the PHP source code in $filename with PHP comments and whitespace removed. This may be useful for determining the amount of actual
code in your scripts compared with the amount of comments. This is similar to using php -w from the commandline.
PARAMETERS
o $filename
- Path to the PHP file.
RETURN VALUES
The stripped source code will be returned on success, or an empty string on failure.
Note
This function works as described as of PHP 5.0.1. Before this it would only return an empty string. For more information on this
bug and its prior behavior, see bug report #29606.
EXAMPLES
Example #1
php_strip_whitespace(3) example
<?php
// PHP comment here
/*
* Another PHP comment
*/
echo php_strip_whitespace(__FILE__);
// Newlines are considered whitespace, and are removed too:
do_nothing();
?>
The above example will output:
<?php
echo php_strip_whitespace(__FILE__); do_nothing(); ?>
Notice the PHP comments are gone, as are the whitespace and newline after the first echo statement.
PHP Documentation Group PHP_STRIP_WHITESPACE(3)