Function _css

CSS file include helper

Package: PHPLucidFrame\Core
Copyright: Copyright (c), PHPLucidFrame.
License: MIT License This source file is subject to the MIT license that is bundled with this source code in the file LICENSE
Author: Sithu sithu@phplucidframe.com
Located at helpers/utility_helper.php

Parameters summary
`string`	`$file`	<p>An absolute file path or file name only. The file name only will be prepended the folder name css/ and it will be looked in every sub-sites "css" folder</p>
`string`	`$subDir = ''`	The sub-directory under assets directory, where the file exists
`boolean`	`$return = false`	<p>[optional] If you would like to capture the output of _js, use the return parameter. If this parameter is set to true, _js will return its output, instead of printing it (which it does by default).</p>

Return value summary
`boolean`	Return true if the file found and included, otherwise false