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Asked: 2026-05-16T21:35:02+00:00

I would like to have a PHP function to check if a URL returns

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I would like to have a PHP function to check if a URL returns valid HTML or NOT, and returns true or false.

Something like:

if (validate_page(“/somefile.html”)) { echo “This page validated!!”; }

I found TWINE but it doesn’t just give me true or false. Also I got an error running it on my system. http://twineproject.sourceforge.net/

I found this offline tool that looked promising. http://htmlhelp.com/tools/validator/offline/

Also I found this thread that talks about a gem, but it sounds problematic. How do I validate XHTML with nokogiri?

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1 Answer

  1. Editorial Team

    You can use W3C’s validator API. There’s a PHP library available through PEAR (click here) which uses said API.

    You can also install the validator on your local server (instructions here), though you might not have sufficient permissions to do so if you are using shared hosting.

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