某些时候,我们需要获取WordPress 所有分类的名字和ID,比如,倡萌的主题设置界面,就使用了这个功能,如下图
实现的方法很简单,一起来操作吧 在主题的 functions.php 最后一个 ?> 前添加下面的代码
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| function show_category(){ global $wpdb; $request = "SELECt $wpdb->terms.term_id, name FROM $wpdb->terms "; $request .= " LEFT JOIN $wpdb->term_taxonomy ON $wpdb->term_taxonomy.term_id = $wpdb->terms.term_id "; $request .= " WHERe $wpdb->term_taxonomy.taxonomy = 'category' "; $request .= " ORDER BY term_id asc"; $categorys = $wpdb->get_results($request); foreach ($categorys as $category) { //调用菜单 $output = '<span>'.$category->name."(<em>".$category->term_id.'</em>"</span>'; echo $output; } }
|
function show_category("{
global $wpdb;
$request = "SELECt $wpdb->terms.term_id, name FROM $wpdb->terms ";
$request .= " LEFT JOIN $wpdb->term_taxonomy ON $wpdb->term_taxonomy.term_id = $wpdb->terms.term_id ";
$request .= " WHERe $wpdb->term_taxonomy.taxonomy = 'category' ";
$request .= " ORDER BY term_id asc";
$categorys = $wpdb->get_results($request";
foreach ($categorys as $category" { //调用菜单
$output = '<span>'.$category->name."(<em>".$category->term_id.'</em>"</span>';
echo $output;
}
}
在需要显示的地方添加下面的调用代码即可
1
| <?php show_category(); ?> |
<?php show_category("; ?>
是不是很简单?要实现不同的样式,就自己写css吧!