Scraping google url

<?php
require_once('simple_html_dom.php');


function printResult($titlesArray, $linksArray, $result_number){
    echo "Total number of links found in the first google page: " . count($titlesArray) . "\n";
    echo "Print only " . $result_number . " first results.\n\n"; 
    for ($i = 0; $i <= $result_number; $i++) {
        echo "Title: " . $titlesArray[$i] . "\n";
        echo "Link: " . $linksArray[$i] . "\n\n";
    }
}

function getGoogleResponse($url, $exclusion, $result_number){
    $html = file_get_html($url);
    $linkObjs = $html->find('a');
    $titlesArray = [];
    $linksArray = [];

    foreach ($linkObjs as $linkObj) {
        $title = trim($linkObj->plaintext);
        $link  = trim($linkObj->href);
        if (!in_array($title, $exclusion)){
            array_push($titlesArray, $title);
            array_push($linksArray, $link);
        }
    }
    printResult($titlesArray, $linksArray, $result_number);

}

$url  = 'https://www.google.com/search?q=recherche+a+tester';

$exclusion = ["Google", "ici", "Images", "Shopping", "Livres", "Outils de recherche", "Moins d'une heure", "Moins d'une semaine", "Moins d'un mois", "Moins d'un an", "Connexion", "Suivant >", ">", "Conditions", "Info consommateurs", "", "Maps"];

getGoogleResponse($url, $exclusion, 10);


?>

<?php
require_once('simple_html_dom.php');



$search_query = "chat"; // Mots à rechercher (Un espace doit être égal au caractère "+")
$total_page_result = 10; // Nombre de pages à scrapper
$base_url  = 'https://www.google.com/search?q=';

function printResult($linksArray){
    echo "Total pages scrapped: " . $GLOBALS['total_page_result'] . "\n";
    echo "Total number of links found: " . count($linksArray) . "\n\n";
    echo "-----------------------------\n\n";
    for ($i = 0; $i < count($linksArray); $i++) {
        echo "Link: " . $linksArray[$i] . "\n";
    }
}

function getGoogleResponse($base_url, $search_query, $total_page_result){
    echo "Scrapping in progress...\n";
    $linksArray = [];
    for ($i = 0; $i < $total_page_result; $i++){
        $html = file_get_html($base_url . $search_query . "$start=" . $i * 10);
        $linkObjs = $html->find('a');

        foreach ($linkObjs as $linkObj) {
            $link  = trim($linkObj->href);
            if (!strstr($linkObj->href, "/search?") && strstr($linkObj->href, "/url?q")){
                array_push($linksArray, trim($linkObj->href, "/url?q="));
            }
        }
    }
    printResult($linksArray);

}

getGoogleResponse($base_url, $search_query, $total_page_result);


?>