Jyxo\Mail\Parser::getBody PHP Method

    public function getBody(string $pid = '1', int $mode = self::BODY, string $mimeType = 'text/html', int $attempt = 1) : array
    {
        try {
            $this->checkIfParsed();
        } catch (\Jyxo\Mail\Parser\EmailNotExistException $e) {
            throw $e;
        }
        $key = array_search($pid, $this->structure['pid']);
        if (false === $key) {
            throw new Parser\PartNotExistException('Requested part does not exist');
        }
        $output['encoding'] = $this->structure['encoding'][$key];
        $output['type'] = $this->structure['ftype'][$key];
        $output['size'] = $this->structure['fsize'][$key];
        if (isset($this->structure['fname'][$key])) {
            $output['filename'] = $this->structure['fname'][$key];
        }
        if (isset($this->structure['charset'][$key])) {
            $output['charset'] = $this->structure['charset'][$key];
        }
        if (isset($this->structure['cid'][$key])) {
            $output['cid'] = $this->structure['cid'][$key];
        }
        if (self::BODY_INFO === $mode) {
            return $output;
        }
        if (self::BODY_LITERAL === $mode) {
            $output['content'] = imap_fetchbody($this->connection, $this->uid, $pid, FT_UID);
            return $output;
        }
        if (self::BODY_LITERAL_DECODE === $mode) {
            $output['content'] = self::decodeBody(imap_fetchbody($this->connection, $this->uid, $pid, FT_UID), $output['encoding']);
            // Textual types are converted to UTF-8
            if (0 === strpos($output['type'], 'text/') || 0 === strpos($output['type'], 'message/')) {
                $output['content'] = $this->convertToUtf8($output['content'], isset($output['charset']) ? $output['charset'] : '');
            }
            return $output;
        }
        // Get a new part number
        if ('message/rfc822' == $this->structure['ftype'][$key] || $this->isPartMultipart($key, 'related') || $this->isPartMultipart($key, 'alternative') || $this->isPartMultipart($key, 'report')) {
            $newPid = 'message/rfc822' == $this->structure['ftype'][$key] || $this->isPartMultipart($key, 'related') || $this->isPartMultipart($key, 'alternative') || $this->isPartMultipart($key, 'report') ? $this->getMultipartPid($pid, $mimeType, 'subparts') : $this->getMultipartPid($pid, $mimeType, 'multipart');
            // If no type was found, try again
            if (!empty($newPid)) {
                $pid = $newPid;
            } elseif (empty($newPid) && 'text/html' == $mimeType) {
                if (1 === $attempt) {
                    return $this->getBody($pid, $mode, 'text/plain', 2);
                }
            } elseif (empty($newPid) && 'text/plain' == $mimeType) {
                if (1 === $attempt) {
                    return $this->getBody($pid, $mode, 'text/html', 2);
                }
            }
        }
        if (!empty($newPid)) {
            $key = array_search($pid, $this->structure['pid']);
            if (false === $key) {
                throw new Parser\PartNotExistException('Requested part does not exist');
            }
        }
        $output['encoding'] = $this->structure['encoding'][$key];
        $output['type'] = $this->structure['ftype'][$key];
        $output['size'] = $this->structure['fsize'][$key];
        if (isset($this->structure['fname'][$key])) {
            $output['filename'] = $this->structure['fname'][$key];
        }
        if (isset($this->structure['charset'][$key])) {
            $output['charset'] = $this->structure['charset'][$key];
        }
        $output['content'] = self::decodeBody(imap_fetchbody($this->connection, $this->uid, $pid, FT_UID), $output['encoding']);
        // Textual types are converted to UTF-8
        if (0 === strpos($output['type'], 'text/') || 0 === strpos($output['type'], 'message/')) {
            $output['content'] = $this->convertToUtf8($output['content'], isset($output['charset']) ? $output['charset'] : '');
        }
        return $output;
    }