Validate XML against XSD - Using XML Reader

XMLDomReader.php

<?php

/**
 * Class XmlDomReader
 */
class XMLDomReader
{

    /**
     * XML Reader
     * @var string
     */
    protected $reader = '';

    /**
     * XmlValidator constructor.
     */
    public function __construct()
    {
        libxml_use_internal_errors(true);
        $this->reader = new \XMLReader();
    }

    /**
     * Validate XML string
     * @param $xml
     * @return array
     */
    public function validate($xml, $xsd)
    {
        $errors = array();

        $this->reader->xml($xml);

        $this->reader->setSchema($xsd);

        while($this->reader->read()) {
            if (!$this->reader->isValid()) {
                foreach (libxml_get_errors() as $error) {
                    array_push($errors, [
                        'code' => $error->code,
                        'message' => $error->message,
                    ]);
                }
                libxml_clear_errors();
                break;
            }
        };

        return $errors;
    }

}