selenium-php.php

<?php
require_once('vendor/autoload.php');
use Facebook\WebDriver\Remote\RemoteWebDriver;
use Facebook\WebDriver\WebDriverBy;
use Facebook\WebDriver\WebDriverExpectedCondition;
$caps = array(
	'bstack:options' => array(
		"os" => "OS X",
		"osVersion" => "Sierra",
		"buildName" => "Final-Snippet-Test",
		"sessionName" => "Selenium-4 PHP snippet test",
		"local" => "false",
		"seleniumVersion" => "4.0.0",
	),
	"browserName" => "Chrome",
	"browserVersion" => "latest",
);

$web_driver = RemoteWebDriver::create("https://YOUR_USER_NAME:YOUR_ACCESS_KEY@hub-cloud.browserstack.com/wd/hub",$caps);
try{
    $web_driver->get("https://bstackdemo.com/");
    $web_driver->wait(10000)->until(WebDriverExpectedCondition::titleIs("StackDemo"));
    # getting text of the product
    $product_on_page = $web_driver->wait(10000)->until(WebDriverExpectedCondition::presenceOfElementLocated(WebDriverBy::XPath("//*[@id='1']/p")))->getText();
    # clicking the 'Add to cart' button
    $web_driver->wait(10000)->until(WebDriverExpectedCondition::presenceOfElementLocated(WebDriverBy::XPath("//*[@id='1']/div[4]")))->click();
    # checking whether the cart pane is present on webpage
    $web_driver->wait(10000)->until(WebDriverExpectedCondition::presenceOfElementLocated(WebDriverBy::className("float-cart__content")));
    # getting text of the product
    $product_in_cart = $web_driver->wait(10000)->until(WebDriverExpectedCondition::presenceOfElementLocated(WebDriverBy::XPath("//*[@id='__next']/div/div/div[2]/div[2]/div[2]/div/div[3]/p[1]")))->getText();
    # Setting the status of test as 'passed' or 'failed' based on the condition; if title of the web page starts with 'BrowserStack'
    if ($product_on_page == $product_in_cart){
        $web_driver->executeScript('browserstack_executor: {"action": "setSessionStatus", "arguments": {"status":"passed", "reason": "Product has been successfully added to the cart!"}}' );
    }  else {
        $web_driver->executeScript('browserstack_executor: {"action": "setSessionStatus", "arguments": {"status":"failed", "reason": "Failed to add product to the cart or some elements might have failed to load."}}');
    }
}
catch(Exception $e){
    echo 'Message: ' .$e->getMessage();
}
$web_driver->quit();
?>