whmcsDNSManager/modules/addons/DNSManager2/mgLibs/custom/dns/submodules/PowerDNSv4/Adapters/MXAdapter.php

<?php

namespace MGModule\DNSManager2\mgLibs\custom\dns\submodules\PowerDNSv4\Adapters;

use MGModule\DNSManager2\mgLibs\custom\dns\record\type\CNAME;
use MGModule\DNSManager2\mgLibs\custom\dns\record\type\MX;
use MGModule\DNSManager2\mgLibs\custom\dns\record\type\RecordTypeAbstract;
use MGModule\DNSManager2\mgLibs\custom\helpers\IdnaHelper;

class MXAdapter extends AbstractPowerDNSv4Adapter
{
    /**
     * @param string $content
     */
    public function createRdata( $content )
    {
        $this->rdata             = new MX();
        $contentArray            = explode(' ', $content);
        $this->rdata->preference = $contentArray[0];
        $this->rdata->exchange   = $this->contentToRelative(IdnaHelper::idnaDecode($contentArray[1]));
    }

    /**
     * @param MX $rdata
     * @return mixed
     */
    public function parseContentToApiFormat( $rdata )
    {
        $content = [
            $rdata->preference,
            $this->contentToAbsolute(IdnaHelper::idnaEncode($rdata->exchange))
        ];
        return implode(' ', $content);
    }
}