'', 'title' => '', 'desc' => '', 'fallback' => false, ); // Parse args. $args = wp_parse_args( $args, $defaults ); // Set aria hidden. $aria_hidden = ' aria-hidden="true"'; // Set ARIA. $aria_labelledby = ''; // (Based on twentyseventeen) It doesn't use the SVG title or description attributes; non-decorative icons are described with .screen-reader-text. if ( $args['title'] ) { $aria_hidden = ''; $unique_id = uniqid(); $aria_labelledby = ' aria-labelledby="title-' . $unique_id . '"'; if ( $args['desc'] ) { $aria_labelledby = ' aria-labelledby="title-' . $unique_id . ' desc-' . $unique_id . '"'; } } // Begin SVG markup. $svg = ''; // Display the title. if ( $args['title'] ) { $svg .= '' . esc_html( $args['title'] ) . ''; // Display the desc only if the title is already set. if ( $args['desc'] ) { $svg .= '' . esc_html( $args['desc'] ) . ''; } } // Display the icon // From twentyseventeen $svg .= ' '; // Add some markup to use as a fallback for browsers that do not support SVGs. if ( $args['fallback'] ) { $svg .= ''; } $svg .= ''; return $svg; }