applicant-site/app/Services/PageScrapper.php

<?php

namespace App\Services;

class PageScrapper
{
    private string $url;
    private string $contentMarker;

    public function __construct($url, $contentMarker = '<div class=["\']content_info["\']>')
    {
        $this->url = $url;
        $this->contentMarker = $contentMarker;
    }

    public function getHTML()
    {

        $page = file_get_contents($this->url);
        $strForPregMatch = "/" . "{$this->contentMarker}" . "(.*)<\/div>/is";

        $arr = [];
        $rez = preg_match_all($strForPregMatch, $page, $arr);

        return $content = $arr[1][0];


    }

    public function normalizeURLFile($content)
    {
        //$content = preg_replace('/<a href="(.*)"/isU', 'https://mkgtu.ru' ,$content );
        $rez = preg_match_all('/<a href="(.*)">/isU',$content,$arr);
        foreach ($arr[1] as $el) {
            if (!str_contains($el, 'https://')){
                $content = str_replace($el,'https://mkgtu.ru' . $el,$content);

            }
        }
        return $content;

    }
}