PHP代码判断WordPress不同页面调用边栏导航

<?php if(is_category()){?>

<h3><?php echo get_cat_name( get_category_root_id($cat) );?></h3>

<ul>

<?php

$args=array(

'child_of'=> get_category_root_id($cat),

'hide_empty'=>'0',

);

$categories=get_categories($args);

foreach($categories as $category) {

echo '<li><a href="' . get_category_link( $category->term_id ) . '" class="lis">' . $category->name.'</a></li>';

}

?>

</ul>

<?php }elseif(is_single()){?>

<?php $currecategory = get_the_category();$djcatid = get_category_root_id($currecategory[0]->cat_ID);?>

<h3><?php echo get_cat_name( $djcatid );?></h3>

<ul>

<?php

$args=array(

'child_of'=> $djcatid,

'hide_empty'=>'0',

);

$categories=get_categories($args);

foreach($categories as $category) {

echo '<li><a href="' . get_category_link( $category->term_id ) . '" class="lis">' . $category->name.'</a></li>';

}

?>

</ul>

<?php }elseif(is_page()){?>

<h3><?php wp_title('');?></h3>

<ul>

<?php

$pageArray = get_post_ancestors($post->ID);//获取父页面ID

if($pageArray[0] != ''){

$pageid = $pageArray[0];

}else{

$pageid = $post->ID;

}

$pages = get_pages('child_of='.$pageid.'&sort_column=post_date&sort_order=desc&parent='.$pageid);

if($pages){

foreach($pages as $page){

echo '<li><a href="' . get_page_link($page->ID) . '" class="lis">' . $page->post_title.'</a></li>';

}

}else{

$pagesr = get_pages();

foreach ($pagesr as $paggr) {

echo '<li><a href="' . get_page_link($paggr->ID). '" class="lis">' . $paggr->post_title. '</a></li>';

}

}

?>

</ul>

<?php }else{?>

<h3>栏目导航</h3>

<ul>

<?php

$args=array(

'orderby' => 'name',

'order' => 'ASC'

);

$categories=get_categories($args);

foreach($categories as $category) {

echo '<li><a href="' . get_category_link( $category->term_id ) . '" class="lis" >' . $category->name.'</a></li>';

}

?>

</ul>

<?php }?>