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求高手帮我分析一些代码
functions.php中的代码
/*-----------------------------------------------------------------------------------*/
/* Load Menu Description
/*-----------------------------------------------------------------------------------*/
class mts_Walker extends Walker_Nav_Menu
{
function start_el(&$output, $item, $depth, $args) {
global $wp_query;
$indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';
$class_names = $value = '';
$classes = empty( $item->classes ) ? array() : (array) $item->classes;
$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item ) );
$class_names = ' class="' . esc_attr( $class_names ) . '"';
$output .= $indent . '<li id="menu-item-'. $item->ID . '"' . $value . $class_names .'>';
$attributes = ! empty( $item->attr_title ) ? ' title="' . esc_attr( $item->attr_title ) .'"' : '';
$attributes .= ! empty( $item->target ) ? ' target="' . esc_attr( $item->target ) .'"' : '';
$attributes .= ! empty( $item->xfn ) ? ' rel="' . esc_attr( $item->xfn ) .'"' : '';
$attributes .= ! empty( $item->url ) ? ' href="' . esc_attr( $item->url ) .'"' : '';
$item_output = $args->before;
$item_output .= '<a'. $attributes .'>';
$item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after;
$item_output .= '<br /><span class="sub">' . $item->description . '</span>';
$item_output .= '</a>';
$item_output .= $args->after;
$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
}
}
/*-----------------------------------------------------------------------------------*/
导航菜单代码:
<?php if ( has_nav_menu( 'primary-menu' ) ) { ?>
<?php $walker = new mts_Walker; wp_nav_menu( array( 'theme_location' => 'primary-menu', 'menu_class' => 'menu', 'container' => '', 'walker' => $walker ) ); ?>
<?php } else { ?>
......
为什么导航菜单输出的标题还是不带描述呢?
像下面截图的这种形式
求高手解答,谢谢!
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