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wp_register_style() WP 1.0

Register a CSS stylesheet.

No Hooks.


true|false. Whether the style has been registered. True on success, false on failure.


wp_register_style( $handle, $src, $deps, $ver, $media );
$handle(string) (required)
Name of the stylesheet. Should be unique.
$src(string|true|false) (required)
Full URL of the stylesheet, or path of the stylesheet relative to the WordPress root directory. If source is set to false, stylesheet is an alias of other stylesheets it depends on.
An array of registered stylesheet handles this stylesheet depends on.
Default: empty array
String specifying stylesheet version number, if it has one, which is added to the URL as a query string for cache busting purposes. If version is set to false, a version number is automatically added equal to current installed WordPress version. If set to null, no version is added.
Default: false
The media for which this stylesheet has been defined. Accepts media types like 'all', 'print' and 'screen', or media queries like '(orientation: portrait)' and '(max-width: 640px)'.
Default: 'all'



Since 2.6.0 Introduced.
Since 4.3.0 A return value was added.

Code of wp_register_style() WP 5.8.1

function wp_register_style( $handle, $src, $deps = array(), $ver = false, $media = 'all' ) {
	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__, $handle );

	return wp_styles()->add( $handle, $src, $deps, $ver, $media );

styles (include files)

Scripts and Styles

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