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custom-css.php (1192B)

      1 <?php
      2 /**
      3  * Custom CSS
      4  *
      5  * @package WordPress
      6  * @subpackage Twenty_Twenty_One
      7  * @since Twenty Twenty-One 1.0
      8  */
      9 
     10 /**
     11  * Generate CSS.
     12  *
     13  * @since Twenty Twenty-One 1.0
     14  *
     15  * @param string $selector The CSS selector.
     16  * @param string $style    The CSS style.
     17  * @param string $value    The CSS value.
     18  * @param string $prefix   The CSS prefix.
     19  * @param string $suffix   The CSS suffix.
     20  * @param bool   $echo     Echo the styles.
     21  * @return string
     22  */
     23 function twenty_twenty_one_generate_css( $selector, $style, $value, $prefix = '', $suffix = '', $echo = 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 ( $echo ) {
     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 avoid
     37 		 * malicious attempts to close </style> and open a <script>.
     38 		 */
     39 		echo wp_strip_all_tags( $css ); // phpcs:ignore WordPress.Security.EscapeOutput
     40 	}
     41 	return $css;
     42 }