FRQ*_*692 3 php wordpress categories
此代码在 wordpress 管理区域中正确显示类别。但不显示子类别。
我需要为每个类别显示 3 个类别和 3 个子类别?
这是我希望为每个类别提供的内容:
A类
我在 wordpress 主题的 functions.php 文件中添加了以下代码:
//create the main category
wp_insert_term(
// the name of the category
'Category A',
// the taxonomy, which in this case if category (don't change)
'category',
array(
// what to use in the url for term archive
'slug' => 'category-a',
));`
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然后对于每个子类别:
wp_insert_term(
// the name of the sub-category
'Sub-category 1',
// the taxonomy 'category' (don't change)
'category',
array(
// what to use in the url for term archive
'slug' => 'sub-cat-1',
// link with main category. In the case, become a child of the "Category A" parent
'parent'=> term_exists( 'Category A', 'category' )['term_id']
));
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但我收到一个错误:
解析错误:解析错误,期望在第 57 行出现 `')'' ...
对应于'parent'=> term_exists( 'Category A', 'category' )['term_id']。
我做错了什么?
问题是您需要在函数之外获取父术语 id,以避免错误。您可以通过以下方式轻松完成:
$parent_term_a = term_exists( 'Category A', 'category' ); // array is returned if taxonomy is given
$parent_term_a_id = $parent_term_a['term_id']; // get numeric term id
// First subcategory
wp_insert_term(
'Sub-category 1', // the term
'category', // the taxonomy
array(
// 'description'=> 'Some description.',
'slug' => 'sub-cat-1a',
'parent'=> $parent_term_a_id
)
);
// Second subcategory
wp_insert_term(
'Sub-category 2', // the term
'category', // the taxonomy
array(
// 'description'=> 'Some description.',
'slug' => 'sub-cat-2a',
'parent'=> $parent_term_a_id
)
);
// Third subcategory
wp_insert_term(
'Sub-category 3', // the term
'category', // the taxonomy
array(
// 'description'=> 'Some description.',
'slug' => 'sub-cat-3a',
'parent'=> $parent_term_a_id
)
);
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然后您将用于其他2 组子类别:
// For subcategory group of Category B
$parent_term_b = term_exists( 'Category B', 'category' );
$parent_term_b_id = $parent_term_b['term_id'];
// For subcategory group of Category C
$parent_term_c = term_exists( 'Category C', 'category' );
$parent_term_c_id = $parent_term_c['term_id'];
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...以同样的方式(注意为每个子类别设置一个唯一的 slug,这意味着总共有 9 个不同的子类别 slug) ......
参考: