<?php

class Swift_Mime_HeaderEncoder_Base64HeaderEncoder extends Swift_Encoder_Base64Encoder implements Swift_Mime_HeaderEncoder
{
    /**
     * Get the name of this encoding scheme.
     * Returns the string 'B'.
     *
     * @return string
     */
    public function getName()
    {
        return 'B';
    }

    /**
     * Takes an unencoded string and produces a Base64 encoded string from it.
     *
     * If the charset is iso-2022-jp, it uses mb_encode_mimeheader instead of
     * default encodeString, otherwise pass to the parent method.
     *
     * @param string $string          string to encode
     * @param int    $firstLineOffset
     * @param int    $maxLineLength   optional, 0 indicates the default of 76 bytes
     * @param string $charset
     *
     * @return string
     */
    public function encodeString($string, $firstLineOffset = 0, $maxLineLength = 0, $charset = 'utf-8')
    {
        if ('iso-2022-jp' === strtolower($charset ?? '')) {
            $old = mb_internal_encoding();
            mb_internal_encoding('utf-8');
            $newstring = mb_encode_mimeheader($string, $charset, $this->getName(), "\r\n");
            mb_internal_encoding($old);

            return $newstring;
        }

        return parent::encodeString($string, $firstLineOffset, $maxLineLength);
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NjgwMjA5Nzg4Mjk0NzcxOSAzNTAxMjEwMDUxNDI5Mzk1IDM0NDgxMzQxNTc4NjAz