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16 years ago
I could not find a PHP function to MIME encode the name for a n email address.



Input   = "Karl Müller<kmueller@gmx.de>"

Output = "Karl%20M%FCller<kmueller@gmx.de>"



I wrote it on my own:



<?php

// required to encode names in email addresses    

// replace " " with "%20"

// replace "ü" with "%FC" 

// replace "%" with "%25"      etc....

// Use "%" as Delimiter for MIME

// Use "=" as Delimiter for Quoted Printable

// Input string must be UTF8 encoded

public static function EncodeMime($Text, $Delimiter)

{

    $Text = utf8_decode($Text);

    $Len  = strlen($Text);

    $Out  = "";

    for ($i=0; $i<$Len; $i++)

    {

        $Chr = substr($Text, $i, 1);

        $Asc = ord($Chr);



        if ($Asc > 0x255) // Unicode not allowed

        {

            $Out .= "?";

        }

        else if ($Chr == " " || $Chr == $Delimiter || $Asc > 127) 

        {

            $Out .= $Delimiter . strtoupper(bin2hex($Chr));

        }

        else $Out .= $Chr;

    }

    return $Out;

}

?>
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