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I'm trying to compile LESS from PHP and don't want to use node.js or ruby.

There's this PHP implementation I found through Google but it seams really outdated and lacks support for newer features.

I was thinking of using the V8js API to run less.js, would that work since it has no DOM support?

Basically my question is: How can I run this JS file from a PHP application?

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    exec('lesscss foo.less') :-) Nothing forbids you from executing less from PHP :) Commented Sep 18, 2011 at 17:37
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    Also, why are you compiling it at runtime? Should you just compile it pre-deployment? Commented Sep 18, 2011 at 18:18
  • @arnaud576875: that would be the ruby approach I don't want to use, wouldn't it? Commented Sep 18, 2011 at 19:44
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    @JohnD: Because it's a lot of less files and each of my views uses a different combination of them. I have to compile and cache on the fly. Commented Sep 18, 2011 at 19:44
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    @Tom, it would, and looks perfectly fine. I think less is smart enough to re-compile only the files you modified, so you can easily compile them in real time during dev. (At least I do that with SASS/SCSS, and I have the same many-files approach.) Commented Sep 18, 2011 at 19:53

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Here's the answer:

https://github.com/leafo/lessphp

There's no other way for the moment.

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A run through on getting LESSPHP working completely autonomously (compile, cache and serve - and you just need to reference your LESS file in your HTML as you would CSS): stackoverflow.com/questions/12274628/compile-less-css-with-php
this doesn't perform too well on large amounts of less
There's another less compiler available now: github.com/oyejorge/less.php
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If you want completely hands-free LESS compiling, try Relayer:

http://relayer.co

It's free and very simple to use.

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You can use PhpLessDemandBridge for that

You can simply use it in your Templates, like:

<link rel="stylesheet" type="text/css" media="all" href="css/engine/css.php?file=bootstrap.less" />

The Engine can be configured via config file, where you define your path to the less files and cache files.

By defining "css.php?file=bootstrap.less", you point the Engine to the bootstrap file, which imports other less files e.g. Twitter Bootstrap or such.

I am using this for Magento, TYPO3 CMS and many more.

In the first line, i am including needed parts of Twitter Bootstrap - after that i am including my own theme and overrides.

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this is just a wrapper for the previously mentioned lessc.
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Good news! We have new Less compiler for this case: https://github.com/wikimedia/less.php

It has no namespace issues and is easy enough to add and use.

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