What PHP web crawler libraries are available?

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I'm looking for some robust, well documented PHP web crawler scripts. Perhaps a PHP port of the Java project - http://wiki.apache.org/nutch/NutchTutorial

I'm looking for both free and non free versions.

Just give Snoopy a try.

Excerpt: "Snoopy is a PHP class that simulates a web browser. It automates the task of retrieving web page content and posting forms, for example."

What PHP web crawler libraries are available?, There are many ways and packages for web crawling in PHP. I'd be talking Goutte is a screen scraping and web crawling library for PHP. Goutte provides a  So what we’ll cover in the rest of the PHP web scraping tutorial is FriendsOfSymfony/Goutte and Symfony/Panther. But there are a lot of good options. In general the major difference I’d highlight is between a PHP web scraping library like Panther or Goutte, and PHP web request library like cURL, Guzzle, Requests, etc.

https://github.com/fabpot/Goutte is also a good library compatible with psr-0 standard.

What are the best ways to crawl a website with PHP?, If you're in getting started with web scraping, read on for overview of PHP There could be different needs as far as each scraping task is concerned. on the Symfony framework, Goutte is a web scraping as well as web crawling library. We’ll use the files in this extracted folder to create our crawler. Here’s a Directory tree : PHPCrawl Crawler Library Files Here index.php. We will make our crawler in the index.php file. Customize Crawler. As I said before, we’ll write the code for the crawler in index.php file. You can type it on another file if you want.

You can use PHP Simple HTML DOM Parser . It's really simple and useful.

8 Awesome PHP Web Scraping Libraries and Tools, Looking to create a PHP web crawler? Here are There are many ways to do this, and many languages you can build your spider or crawler in. If you're just getting started, PHPCrawl webcrawler library for PHP – Example script. This is a  A Web crawler (also known as Web spider) is a computer program that browses the World Wide Web in a methodical, automated manner or in an orderly fashion. Other terms for Web crawlers are ants, automatic indexers, bots, Web spiders, Web robots, or – especially in the FOAF community – Web scutters.

I've been using Simple HTML DOM for about 3 years before I discovered phpQuery. It's a lot faster, not working recursively (you can actually dump it) and has a full support for jQuery selectors and methods.

PHP Website Crawler Tutorials, Crawl the web using PHP. Latest Version on Packagist MIT Licensed run-tests StyleCI Total Downloads. This package provides a class to crawl links on a  Web scraping is a common and effective way of collecting data for projects and for work. In this guide, we’ll be touring the essential stack of Python web scraping libraries. Why only 5 libraries? There are dozens of packages for web scraping out there… but you only need a handful to be able to scrape almost any site. This is an opinionated guide.

There is a greate tutorial here which combines guzzlehttp and symfony/dom-crawler

In case the link is lost here is the code you can make use.

use Guzzle\Http\Client;
use Symfony\Component\DomCrawler\Crawler;
use RuntimeException;

// create http client instance
$client = new GuzzleHttp\ClientClient('http://download.cloud.com/releases');

// create a request
$response = $client->request('/3.0.6/api_3.0.6/TOC_Domain_Admin.html');

// get status code
$status = $response->getStatusCode();

// this is the response body from the requested page (usually html)
//$result = $response->getBody();

// crate crawler instance from body HTML code
$crawler = new Crawler($response->getBody(true));

// apply css selector filter
$filter = $crawler->filter('div.apismallbullet_box');
$result = array();

if (iterator_count($filter) > 1) {

    // iterate over filter results
    foreach ($filter as $i => $content) {

        // create crawler instance for result
        $cralwer = new Crawler($content);
        // extract the values needed
        $result[$i] = array(
            'topic' => $crawler->filter('h5')->text();
            'className' => trim(str_replace(' ', '', $result[$i]['topic'])) . 'Client'
        );
    }
} else {
    throw new RuntimeException('Got empty result processing the dataset!');
}

spatie/crawler: An easy to use, powerful crawler , There have been significant advances in the web scraping domain in the past It is one of the best web crawling libraries built in Javascript. You can write a web crawler and get benefited from this automation testing tool just as a human would do. As an illustration, i will provide to you a quick tutorial to get a better look of how it works. if you are being bored to read this post take a look at this Video to understand what capabilities this library can offer in order to crawl web

PHPCrawl webcrawler/webspider library for PHP, There are a number of PHP web scraping libraries. What this crawler does it pretty simple: it goes to example.com and loads the page. Open Search Server is a search engine and web crawler software release under the GPL. PHP-Crawler is a simple PHP and MySQL based crawler released under the BSD License. Scrapy, an open source webcrawler framework, written in python (licensed under BSD). Seeks, a free distributed search engine (licensed under AGPL).

50 Best Open Source Web Crawlers – ProWebScraper, This article is to illustrate how a beginner could build a simple web crawler in PHP. If you plan to learn PHP and use it for web scraping, follow the steps below. Step 1. Add an input box and a submit button to the web page. We can enter the web page address into the input box. Regular Expressions are needed when extracting data. Step 2.

Top 11 FREE Web Scraping Frameworks, A browser testing and web scraping library for PHP and Symfony Panther is a convenient standalone library to scrape websites and to run end-to-end tests using real browsers . Panther is super powerful.

Comments
  • No crawler is going to do the data scraping, that's something you're going to have to write yourself. And also make sure what you're lifting isn't copyrighted.
  • Possible duplicate of Best Methods to parse HTML
  • Additional possible duplicates in stackoverflow.com/search?q=web+crawler+php
  • @Gordon - sorry i dont need help for parsing html.
  • @Jason If you dont need help parsing HTML, then maybe you should clarify what you are after. The crawled HTML will not magically transform itself into the chunks you deem important. It will have to be parsed. Please update your question to point out what you are looking for or at least what you are not looking for. In addition, please go through the linked search results and see if they contain helpful hints. If you still got questions then, point them out in your question as well. In other words: stackoverflow.com/questions/ask-advice
  • Sorry man, I know it is a old post but people still read this answer and I downvoted because Snoopy uses Regex to parse HTML and it's not cool...
  • Suggested third party alternatives to SimpleHtmlDom that actually use DOM instead of String Parsing: phpQuery, Zend_Dom, QueryPath and FluentDom.
  • @Gordon Nope, they are jQuery selectors. From jQuery.com: "Borrowing from CSS 1–3, and then adding its own, jQuery offers a powerful set of tools for matching a set of elements in a document."
  • Hmm, okay. They extend on CSS selectors. I guess that's a valid distinction then. Sorry. I rarely see people use anything that's not in the set of CSS selectors when they talk about jQuery selectors. They make it sound like jQuery invented them.
  • @Gordon yeah, i h8 the "like we invented them" part too :) More info at sizzlejs.com