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A W3C Validator on the Command Line. Based on -
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W3CV - W3C Validator CLI

How can this tool help?

I often have to validate pages locally which are not accessible publicly on the internet (eg. I know there are browser extensions and other tools. However I was convinced, I didn't need a feature rich swiss army knife. I just needed a tool that can fetch a webpage, validate it and give me the results. I built it to do a very specific task.

How to use it?

php w3cv.phar

Yes, use the phar file. You can also make it executable and put it in your path for more fancy workflow.

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