WP_Style_Engine_CSS_Rule::add_declarations( string[]|WP_Style_Engine_CSS_Declarations $declarations ): WP_Style_Engine_CSS_Rule

Source

public function add_declarations( $declarations ) {
	$is_declarations_object = ! is_array( $declarations );
	$declarations_array     = $is_declarations_object ? $declarations->get_declarations() : $declarations;
	$declaration_options    = $is_declarations_object ? $declarations->get_declaration_options() : array();

	if ( null === $this->declarations ) {
		if ( $is_declarations_object ) {
			$this->declarations = $declarations;
			return $this;
		}
		$this->declarations = new WP_Style_Engine_CSS_Declarations();
	}

	foreach ( $declarations_array as $property => $value ) {
		$this->declarations->add_declaration(
			$property,
			$value,
			$declaration_options[ $property ] ?? array()
		);
	}

	return $this;
}

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