twenty_twenty_one_generate_css( string $selector, string $style, string $value, string $prefix = '', string $suffix = '', bool $display = true ): string

23function twenty_twenty_one_generate_css( $selector, $style, $value, $prefix = '', $suffix = '', $display = true ) {24 25	// Bail early if there is no $selector elements or properties and $value.26	if ( ! $value || ! $selector ) {27		return '';28	}29 30	$css = sprintf( '%s { %s: %s; }', $selector, $style, $prefix . $value . $suffix );31 32	if ( $display ) {33		/*34		 * Note to reviewers: $css contains auto-generated CSS.35		 * It is included inside <style> tags and can only be interpreted as CSS on the browser.36		 * Using wp_strip_all_tags() here is sufficient escaping to avoid37		 * malicious attempts to close </style> and open a <script>.38		 */39		echo wp_strip_all_tags( $css ); // phpcs:ignore WordPress.Security.EscapeOutput40	}41	return $css;42}