.. _fqueuecssfile: ############## queue_css_file ############## :doc:`Head-related functions ` ******* Summary ******* .. include:: /Reference/libraries/globals/summary/queue_css_file.rst .. php:function:: queue_css_file(string|array $file, string $media = all, string|bool $conditional = , string $dir = css) Declare that a CSS file or files will be used on the page. All "used" stylesheets will be included in the page's head. This needs to becalled either before head(), or in a plugin_header hook. :param string|array $file: File to use, if an array is passed, each array member will be treated like a file. :param string $media: CSS media declaration, defaults to 'all'. :param string|bool $conditional: IE-style conditional comment, used generally to include IE-specific styles. Defaults to false. :param string $dir: Directory to search for the file. Keeping the default is recommended. ***** Usage ***** .. include:: /Reference/libraries/globals/usage/queue_css_file.rst ******** Examples ******** .. include:: /Reference/libraries/globals/examples/queue_css_file.rst ******** See Also ******** .. include:: /Reference/libraries/globals/see_also/queue_css_file.rst