Find Image on google

GoogleImageSearch.php

<?php
/*
* Inspired by https://github.com/damiankw/google.imagesearch
*/
class GoogleImageSearch
{
    public function findImagesForQuery(string $query): array
    {
        $html = $this->queryGoogle($query);
        $pattern = '/\bhttps?:\/\/\S+(?:jpg)\b/';

        preg_match_all($pattern,$html,$matches);

        if (!isset($matches[0])) {
            return null;
        }

        return $matches[0];
    }

    public function findImageForQuery(string $query): ?string
    {
        $result = $this->findImagesForQuery($query);

        if (!isset($result[0])) {
            return null;
        }

        return $result[0];
    }

    protected function queryGoogle(string $query): string
    {
        $httpContext = stream_context_create(
            [
                'http' => [
                    'method' => "GET",
                    'header' => "Accept: text/html\r\n" .
                        "User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36\r\n",
                ],
            ]
        );

        $url = "https://www.google.com/search?q=" . urlencode($query) . "&source=lnms&tbm=isch&biw=1440&bih=770";

        return file_get_contents($url, false, $httpContext);
    }
}

$list = explode(PHP_EOL, file_get_contents('list'));
$result = sprintf('"%s";"%s"%s', 'label', 'image', PHP_EOL);

$googleImageSearch = new GoogleImageSearch();

foreach ($list as $key => $query) {
    echo "Looking for an image for $query. Line number: ".($key + 1).PHP_EOL;
    $searchResult = $googleImageSearch->findImageForQuery($query);
    $result .= sprintf('"%s";"%s"%s', $query, $searchResult, PHP_EOL);
}

file_put_contents('images.csv', $result);