Register a CSS stylesheet.

• WP_Dependencies::add()

$handle string Required

Name of the stylesheet. Should be unique.

$src string|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.

$deps string[] Optional

An array of registered stylesheet handles this stylesheet depends on.

Default: array()

$ver string|bool|null Optional

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

$media string Optional

The media for which this stylesheet has been defined.
Default 'all'. Accepts media types like 'all', 'print' and 'screen', or media queries like '(orientation: portrait)' and '(max-width: 640px)'.

Default: 'all'

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

File: wp-includes/functions.wp-styles.php. View all references

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 );
}