[英]how to get parent category id in wordpress
how to get only parent category ids. 如何仅获取父类别ID。 not children category ids i tried this code before which is showing me all ids of categories
不是儿童类别ID,我在尝试此代码之前向我显示了所有类别ID
<?php $category_ids = get_all_category_ids();
foreach($category_ids as $cat_id) {
$cat_name = get_cat_name($cat_id);
//echo '<span class="png_bg category_icon"></span>' . $cat_name ;
?>
<option><?php echo '<span class="png_bg category_icon"></span>' . $cat_name ; ?></option>
<?php
}
?>
</select>
There can be done in a number of ways. 可以通过多种方式来完成。 One of them is
其中之一是
$categories = get_categories();
foreach ($categories as $cat)
{
// if it is a topmost category , it has no parents, ie parent=0
if($cat->parent < 1)
{
echo $cat->category_nicename
echo $cat->cat_name ;
}
}
Here is the function: 这是函数:
<?php get_category_parents($cat); ?>
This function accepts several arguments, you can find the full reference on wordpress codex 该函数接受多个参数,您可以在wordpress Codex上找到完整的参考
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