WP_Theme_JSON::to_ruleset( string $selector, array $declarations )

This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

Given a selector and a declaration list, creates the corresponding ruleset.

Parameters

$selector

(string) (Required) CSS selector.

$declarations

(array) (Required) List of declarations.

Return

(string) CSS ruleset.

Source

File: wp-includes/class-wp-theme-json.php 

private static function to_ruleset( $selector, $declarations ) {
		if ( empty( $declarations ) ) {
			return '';
		}

		$declaration_block = array_reduce(
			$declarations,
			function ( $carry, $element ) {
				return $carry .= $element['name'] . ': ' . $element['value'] . ';'; },
			''
		);

		return $selector . '{' . $declaration_block . '}';
	}

Used By

Used By Description
wp-includes/class-wp-theme-json.php: WP_Theme_JSON::get_block_styles()

Converts each style section into a list of rulesets containing the block styles to be appended to the stylesheet.
wp-includes/class-wp-theme-json.php: WP_Theme_JSON::get_css_variables()

Converts each styles section into a list of rulesets to be appended to the stylesheet.
wp-includes/class-wp-theme-json.php: WP_Theme_JSON::compute_preset_classes()

Given a settings array, it returns the generated rulesets for the preset classes.

Changelog

Version Description
5.8.0 Introduced.

© 2003–2021 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/wp_theme_json/to_ruleset