WordPress中让Widget 标题支持简单的HTML标签

<?php
/*
Plugin Name: WPJAM HTML Widget Title
Description: 让 Widget 标题支持简单的 HTML 标签
Version: 0.1
Author: Denis
*/
add_filter( 'widget_title', 'wpjam_html_widget_title' );
function wpjam_html_widget_title( $title ) {
//HTML tag opening/closing brackets
$title = str_replace( '[', '<', $title );
$title = str_replace( '[/', '</', $title );</p> <p> //<strong></strong>
$title = str_replace( 's]', 'strong>', $title );
//<em></em>
$title = str_replace( 'e]', 'em>', $title );</p> <p> return $title;
}
?>

$title = str_replace( '<', '&lt;', $title);
$title = str_replace( '>', '&gt;', $title);
$title = cn_substr($title,80);