CakePHP helper class that extends AssetCompress.AssetCompress to inline CSS and JS.

AssetsHelper.php

<?php
App::uses('AssetCompress.AssetCompress', 'View/Helper');

class AssetsHelper extends AssetCompressHelper {

	public function inlineCss($file, $options = array()) {
		if (Configure::read('debug') > 0) {
			return $this->css($file, $options);
		}
		$file = $this->_addExt($file, '.css');
		$path = $this->config()->cachePath('css');
		$fullFilePath = $path . $this->_getBuildName($file);
		$fileContents = file_get_contents($fullFilePath);
		return $this->Html->tag('style', $fileContents, array('type' => 'text/css'));
	}

	public function inlineScript($file, $options = array()) {
		if (Configure::read('debug') > 0) {
			return $this->script($file, $options);
		}
		$file = $this->_addExt($file, '.js');
		$path = $this->config()->cachePath('js');
		$fullFilePath = $path . $this->_getBuildName($file);
		$fileContents = file_get_contents($fullFilePath);
		return $this->Html->scriptBlock($fileContents);
	}
}