останавливается цикл for

Как вариант , можно обойтись без регекпов.

<?php

class MultiCurlParser{

    private $mh;

    private $handles   = array();

    private $running = null;



    public function __construct(&$links)

    {

        $this->mh=curl_multi_init();

        foreach ($links as $link) {

            try {

                $curl = curl_init();

                curl_setopt($curl, CURLOPT_URL, $link);

                curl_setopt($curl, CURLOPT_TIMEOUT, 20);

                curl_setopt($curl, CURLOPT_HEADER, 0);

                curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0);

                curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);

                curl_multi_add_handle($this->mh, $curl);

                $this->handles[] = $curl;

            } catch (Exception $e) {

                echo $e->getMessage();

            }

        }

    }



    public function run($callback)

    {

        do {

            curl_multi_exec($this->mh, $this->running);

        } while ($this->running > 0);



        foreach ($this->handles as $handle) {

            if (is_callable($callback)) $callback(curl_multi_getcontent($handle));

            curl_multi_remove_handle($this->mh,$handle);

        }

        curl_multi_close($this->mh);

    }



}

$links=Array (

    "https://pl.aliexpress.com/store/product/Original-Xiaomi-Redmi-3-Metal-Body-Mobile-Phone-16GB-ROM-Snapdragon-616-Octa-Core-5-0/311331_32593665671.html",

    "https://pl.aliexpress.com/store/product/Original-Meizu-M3-Mini-4G-LTE-Cell-Phone-Android-5-1-MT6750-Octa-Core-5-0/311331_32659346800.html",

    "https://pl.aliexpress.com/store/product/Original-Xiaomi-Mipad-MI-Pad-2-Intel-Atom-X5-Full-Metal-Body-Tablet-PC-7-9/103919_32550276647.html",

    "https://pl.aliexpress.com/store/product/Original-Meizu-U20-Meilan-Mobile-Phone-3GB-RAM-32GB-ROM-5-5-FHD-1080P-MTK-Helio/311331_32724593890.html",

    "https://pl.aliexpress.com/store/product/Original-Xiaomi-Redmi-3S-Mobile-Phone-4100mAh-Battery-Fingerprint-ID-Snapdragon-430-Octa-Core-2GB-RAM/805191_32683030676.html"

);

libxml_use_internal_errors(true);

$curl=new MultiCurlParser($links);

$curl->run(function ($content){

    $dom = new DomDocument();

    $dom->loadHTML($content);

    $xpath = new DomXPath( $dom );

    $shopName = trim($xpath->query(".//a[@class='shop-name']")->item(0)->nodeValue);

    $price = trim($xpath->query(".//span[@class='p-price']")->item(0)->nodeValue);

    echo $shopName.' '.$price.PHP_EOL;

});

Благодарю за помощь господа...