PHP Composer Packages for Crawler and Scraper Development
crwlr.software is a collection of open source PHP composer packages that provide the necessary tools to build web crawlers and scrapers. The crawler package contains everything and helps you build crawlers as fast as possible. There are also sub-packages that you can use standalone.
crwlr / crawler
The main package of this collection, providing kind of a framework and a lot of ready to use, so-called steps, that you can use to build your own web crawlers and scrapers with.
crwlr / url
The Swiss Army knife for urls. Parses urls to components (scheme, host, domain, path,...). You can access and modify url components, compare components of different urls and resolve relative to absolute urls. Also supports internationalized domain names.
crwlr / query-string
This library provides a very convenient API to create, access and manipulate query strings used in HTTP GET (as part of the URL) or POST (as part of the body) requests.
crwlr / robots-txt
Use this library within crawler and scraper programs to parse robots.txt files and check if your crawler user-agent is allowed to load certain paths.
crwlr / schema-org
This library finds schema.org structured data in JSON-LD format in HTML documents and converts them to PHP classes representing those schema.org objects.
Latest Blog Posts
10 good Reasons to use the crwlr Library
I'm very proud to announce that version 1.0 of the crawler package is finally released. This article gives you an overview of why you should use this library for your web crawling and scraping jobs.» Read more
What's new in crwlr / crawler v0.6?
Version 0.6 is probably the biggest update so far with a lot of new features and steps from crawling whole websites, over sitemaps to extracting metadata and schema.org structured data from HTML. Here is an overview of all the new stuff.» Read more
What's new in crwlr / crawler v0.5?
We're already at v0.5 of the crawler package and this version comes with a lot of new features and improvements. Here's a quick overview of what's new.» Read more
Dealing with HTTP (Url) Query Strings in PHP
There is a new package in town called query-string. It allows to create, access and manipulate query strings for HTTP requests in a very convenient way. Here's a quick overview of what you can do with it and also how it can be used via the url package.» Read more
What's new in crwlr / crawler v0.4
Last friday version 0.4 of the crawler package was released with some pretty useful improvements. Read what's shipped with this new minor update.» Read more
What's new in crwlr / crawler v0.2 and v0.3
There are already two new 0.x versions of the crawler package. Here a quick summary of what's new in versions 0.2 and 0.3.» Read more
Release of crwlr / crawler v0.1.0
After months of hard work, today I'm finally releasing the first version (v0.1.0) of the crwlr / crawler package. Here some information on what it is, its state and current and future features.» Read more
Prevent Homograph Attacks using the crwlr / url Package
Homograph attacks are using internationalized domain names (IDN) for malicious links including domains that look like trusted organizations. You can use the crwlr Url class to detect and monitor urls containing IDNs in your user's input.» Read more
Why I start crwlr.software
This is just a short introduction to what crwlr.software is and will become in the future and why you may like it.» Read more