guzzleclient.php

<?php
	use GuzzleHttp\Client;
	$productUrlPatterns = ["https?://www.ysl.com/fr/shop-product/.*_cod(.*)\.html.*"];
	require __DIR__ . '/../vendor/autoload.php';
	$headers= [
				'User-Agent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36'
			 	,'Accept' => 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8'	
				,'Accept-Encoding'=> 'gzip, deflate, sdch'
				,'Upgrade-Insecure-Requests' => 1
				,'Accept-Language' => 'fr-FR,fr;q=0.8,en-US;q=0.6,en;q=0.4,de;q=0.2'
				,'Proxy-Connection' => 'keep-alive'
				,'Host' => 'www.ysl.com'				
			];
	$options = ['cookies' => false, 'verify' => false,
			'headers' =>$headers
	];
	$client = new Client($options);
	
	$res = $client->request('GET', 'http://www.ysl.com/fr');
	//Get all link 
	//Filter link on pattern
	//Follow again
	//Stop on level 3
	
	function followChildren($res,$level) {
		//code to be executed;
	}
?>