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<?php /** * Custom CSS * * @package WordPress * @subpackage Twenty_Twenty_One * @since Twenty Twenty-One 1.0 */ /** * Generate CSS. * * @since Twenty Twenty-One 1.0 * * @param string $selector The CSS selector. * @param string $style The CSS style. * @param string $value The CSS value. * @param string $prefix The CSS prefix. * @param string $suffix The CSS suffix. * @param bool $display Print the styles. * @return string */ function twenty_twenty_one_generate_css( $selector, $style, $value, $prefix = '', $suffix = '', $display = true ) { // Bail early if there is no $selector elements or properties and $value. if ( ! $value || ! $selector ) { return ''; } $css = sprintf( '%s { %s: %s; }', $selector, $style, $prefix . $value . $suffix ); if ( $display ) { /* * Note to reviewers: $css contains auto-generated CSS. * It is included inside <style> tags and can only be interpreted as CSS on the browser. * Using wp_strip_all_tags() here is sufficient escaping to avoid * malicious attempts to close </style> and open a <script>. */ echo wp_strip_all_tags( $css ); // phpcs:ignore WordPress.Security.EscapeOutput } return $css; }