Creates link(s) to a javascript file.
If key inline is set to false in $options,
the link tags are added to the $scripts_for_layout variable
which you can print inside the head tag of the document.
Include a script file into the page.
$options['inline'] controls whether or not a script
should be returned inline or added to $scripts_for_layout.
$options['once'] controls, whether or not you want to
include this script once per request or more than once.
cssメソッド:
Creates a link(s) to a CSS style-sheet.
If key ‘inline’ is set to false in $options parameter,
the link tags are added to the $scripts_for_layout variable which you can print inside the head tag of the document.