ZBateson\MailMimeParser\Util\CharsetConverter::convert()

Complexity

Conditions	8
Paths	5

Size

Total Lines	24
Code Lines	16

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	15
CRAP Score	8.0155

Importance

Changes

0

<?php
    public function convert($str, $fromCharset, $toCharset)
    {
        // there may be some mb-supported encodings not supported by iconv (on my libiconv for instance
        // HZ isn't supported), and so it may happen that failing an mb_convert_encoding, an iconv
        // may also fail even though both support an encoding separately.
        // For cases like that, a two-way encoding is done with UTF-8 as an intermediary.
        $fromMbSupported = true;
        $toMbSupported = true;
        $from = $this->getRealCharset($fromCharset, $fromMbSupported);
        $to = $this->getRealCharset($toCharset, $toMbSupported);
        if ($str !== '') {
            if ($fromMbSupported && !$toMbSupported) {
                $str = mb_convert_encoding($str, 'UTF-8', $from);
                return iconv('UTF-8', $to . '//TRANSLIT//IGNORE', $str);
            } elseif (!$fromMbSupported && $toMbSupported) {
                $str = iconv($from, 'UTF-8//TRANSLIT//IGNORE', $str);
                return mb_convert_encoding($str, $to, 'UTF-8');
            } elseif ($fromMbSupported && $toMbSupported) {
                return mb_convert_encoding($str, $to, $from);
            }
            return iconv($from, $to . '//TRANSLIT//IGNORE', $str);
        }
        return $str;
    }