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Archives: Robots.txt

Creating a Polite PHP Web Crawler: Checking robots.txt

May 31, 2018 | By admin | Comments Off on Creating a Polite PHP Web Crawler: Checking robots.txt | Filed in: php.

In this tutorial, we create a PHP website spider that uses the robots.txt file to know which pages we’re allowed to download. We continue from our previous tutorials to create a robust web spider and expand on it to check for download crawling permissions.

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