wp_style_engine_get_stylesheet_from_css_rules() │ WP 6.1.0

Returns compiled CSS from a collection of selectors and declarations. Useful for returning a compiled stylesheet from any collection of CSS selector + declarations.

Example usage:

$css_rules = array(
	array(
		'selector'     => '.elephant-are-cool',
		'declarations' => array(
			'color' => 'gray',
			'width' => '3em',
		),
	),
);

$css = wp_style_engine_get_stylesheet_from_css_rules( $css_rules );

Returns:

.elephant-are-cool{color:gray;width:3em}

No Hooks.

Returns

String. A string of compiled CSS declarations, or empty string.

Usage

wp_style_engine_get_stylesheet_from_css_rules( $css_rules, $options );

$css_rules(array) (required)

Required. A collection of CSS rules.

• ...$0(array)

  • rules_group(string)
    A parent CSS selector in the case of nested CSS, or a CSS nested @rule, such as @media (min-width: 80rem) or @layer module.

  • selector(string)
    A CSS selector.

  • declarations(string[])
    An associative array of CSS definitions, e.g. array( "$property" => "$value", "$property" => "$value" ).

$options(array)

An array of options.

Default: empty array

• context(string|null)
  An identifier describing the origin of the style object, e.g. 'block-supports' or 'global-styles'. When set, the style engine will attempt to store the CSS rules.
  Default: 'block-supports'

• optimize(true|false)
  Whether to optimize the CSS output, e.g. combine rules.
  Default: false

• prettify(true|false)
  Whether to add new lines and indents to output.
  Default: whether the SCRIPT_DEBUG constant is defined

Changelog

wp_style_engine_get_stylesheet_from_css_rules() wp style engine get stylesheet from css rules code ^{WP 6.9.1}

function wp_style_engine_get_stylesheet_from_css_rules( $css_rules, $options = array() ) {
	if ( empty( $css_rules ) ) {
		return '';
	}

	$options = wp_parse_args(
		$options,
		array(
			'context' => null,
		)
	);

	$css_rule_objects = array();
	foreach ( $css_rules as $css_rule ) {
		if ( empty( $css_rule['selector'] ) || empty( $css_rule['declarations'] ) || ! is_array( $css_rule['declarations'] ) ) {
			continue;
		}

		$rules_group = $css_rule['rules_group'] ?? null;
		if ( ! empty( $options['context'] ) ) {
			WP_Style_Engine::store_css_rule( $options['context'], $css_rule['selector'], $css_rule['declarations'], $rules_group );
		}

		$css_rule_objects[] = new WP_Style_Engine_CSS_Rule( $css_rule['selector'], $css_rule['declarations'], $rules_group );
	}

	if ( empty( $css_rule_objects ) ) {
		return '';
	}

	return WP_Style_Engine::compile_stylesheet_from_css_rules( $css_rule_objects, $options );
}