checkWebPageSize.php

<?php

namespace App\Http\Controllers;


class WebPageSizeCheckerController extends Controller
{
    public function post(Request $request)
    {
        $url = $request->url;
        $curl = curl_init($url);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE);
        $subject = curl_exec($curl);
        //get the download size of page
        print("Download size 1: " . curl_getinfo($curl, CURLINFO_SIZE_DOWNLOAD) .'<br>');

        preg_match_all('/(?:src=)"([^"]*)"/m', $subject, $matchessrc);

        preg_match_all('/link.*\s*(?:href=)"([^"]*)"/m', $subject, $matcheslink);

        $matches = array_merge($matchessrc[1], $matcheslink[1]);

        $domain = parse_url($url, PHP_URL_SCHEME). '://'.parse_url($url, PHP_URL_HOST);
        $path = parse_url($url, PHP_URL_PATH);

        $checked = array();
        foreach($matches as $m)
        {
            if($m[0] == '/')
                $m = $domain.$m;
            elseif(substr($m, 0, 5) != 'http:' and substr($m, 0, 6) != 'https:')
                $m = $domain.'/'.$path.'/'.$m;

            if(in_array($m, $checked))
                continue;

            $checked[] = $m;

            $curl = curl_init($m);
            curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE);
            $subject = curl_exec($curl);
            //get the download size of element
            print("Download size 2: " . curl_getinfo($curl, CURLINFO_SIZE_DOWNLOAD) .'<br>');
        }
        
    }

   
}