Global public interface method to generate styles from a single style object, e.g. the value of a block’s attributes.style object or the top level styles in theme.json.

Description

Example usage:

$styles = wp_style_engine_get_styles(
    array(
        'color' => array( 'text' => '#cccccc' ),
    )
);

Returns:

array(
    'css'          => 'color: #cccccc',
    'declarations' => array( 'color' => '#cccccc' ),
    'classnames'   => 'has-color',
)

See also

• https://developer.wordpress.org/block-editor/reference-guides/theme-json-reference/theme-json-living/#styles
• https://developer.wordpress.org/block-editor/reference-guides/block-api/block-supports/

Parameters

$block_stylesarrayrequired

The style object.

$optionsarrayoptional

An array of options.

• context string|null
  An identifier describing the origin of the style object, e.g. 'block-supports' or 'global-styles'. Default null.
  When set, the style engine will attempt to store the CSS rules, where a selector is also passed.
• convert_vars_to_classnames bool
  Whether to skip converting incoming CSS var patterns, e.g. var:preset|<PRESET_TYPE>|<PRESET_SLUG>, to var( --wp--preset--* ) values. Default false.
• selector string
  Optional. When a selector is passed, the value of $css in the return value will comprise a full CSS rule $selector { ...$css_declarations }, otherwise, the value will be a concatenated string of CSS declarations.

Default:array()

Return

• css string
  A CSS ruleset or declarations block formatted to be placed in an HTML style attribute or tag.
• declarations string[]
  An associative array of CSS definitions, e.g. array( "$property" => "$value", "$property" => "$value" ).
• classnames string
  Classnames separated by a space.

Source

function wp_style_engine_get_styles( $block_styles, $options = array() ) {
	$options = wp_parse_args(
		$options,
		array(
			'selector'                   => null,
			'context'                    => null,
			'convert_vars_to_classnames' => false,
		)
	);

	$parsed_styles = WP_Style_Engine::parse_block_styles( $block_styles, $options );

	// Output.
	$styles_output = array();

	if ( ! empty( $parsed_styles['declarations'] ) ) {
		$styles_output['css']          = WP_Style_Engine::compile_css( $parsed_styles['declarations'], $options['selector'] );
		$styles_output['declarations'] = $parsed_styles['declarations'];
		if ( ! empty( $options['context'] ) ) {
			WP_Style_Engine::store_css_rule( $options['context'], $options['selector'], $parsed_styles['declarations'] );
		}
	}

	if ( ! empty( $parsed_styles['classnames'] ) ) {
		$styles_output['classnames'] = implode( ' ', array_unique( $parsed_styles['classnames'] ) );
	}

	return array_filter( $styles_output );
}

View all references View on Trac View on GitHub

Changelog