Files
CoreLibs-Composer-All/src/Convert/MimeEncode.php

44 lines
1.2 KiB
PHP

<?php
/*
* alternate for header mime encode to void problems with long strings and
* spaces/strange encoding problems.
* Orignal issues during PHP5/7
*/
declare(strict_types=1);
namespace CoreLibs\Convert;
class MimeEncode
{
/**
* wrapper function for mb mime convert
* for correct conversion with long strings
* NOTE: This is only a wrapper for mb_encode_mimeheader to stay compatible
*
* @param string $string string to encode
* @param string $encoding target encoding
* @param string $line_break default line break is \r\n
* @return string encoded string
*/
public static function __mbMimeEncode(
string $string,
string $encoding,
string $line_break = "\r\n"
): string {
$current_internal_encoding = mb_internal_encoding();
// set internal encoding, so the mimeheader encode works correctly
mb_internal_encoding($encoding);
// use the internal convert to mime header
// it works from PHP 8.2 on
$string = mb_encode_mimeheader($string, $encoding, 'B', $line_break);
// before we end, reset internal encoding
mb_internal_encoding($current_internal_encoding);
// return mime encoded string
return $string;
}
}
// __END__