Question

wp_category_checklist( int $post_id,  int $descendants_and_self,  array $selected_cats = false,  array $popular_cats = false,  object $walker = null,  bool $checked_ontop = true )

Output an unordered list of checkbox input elements labeled with category names.

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description

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参数

$post_id

(int) (Optional) Post to generate a categories checklist for. Default 0. $selected_cats must not be an array. Default 0.

$descendants_and_self

(int) (Optional) ID of the category to output along with its descendants. Default 0.

$selected_cats

(array) (Optional) List of categories to mark as checked.

Default value: false

$popular_cats

(array) (Optional) List of categories to receive the "popular-category" class.

Default value: false

$walker

(object) (Optional) Walker object to use to build the output. Default is a Walker_Category_Checklist instance.

Default value: null

$checked_ontop

(bool) (Optional) Whether to move checked items out of the hierarchy and to the top of the list.

Default value: true

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源代码

File: wp-admin/includes/template.php

function wp_category_checklist( $post_id = 0, $descendants_and_self = 0, $selected_cats = false, $popular_cats = false, $walker = null, $checked_ontop = true ) {
	wp_terms_checklist( $post_id, array(
		'taxonomy' => 'category',
		'descendants_and_self' => $descendants_and_self,
		'selected_cats' => $selected_cats,
		'popular_cats' => $popular_cats,
		'walker' => $walker,
		'checked_ontop' => $checked_ontop
	) );
}

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更新日志

Version	description
2.5.1	Introduced.

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相关函数

Uses

• wp-admin/includes/template.php: wp_terms_checklist()

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Used By

• wp-admin/includes/deprecated.php: dropdown_categories()

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User Contributed Notes

1. Skip to note content You must log in to vote on the helpfulness of this noteVote results for this note: 0You must log in to vote on the helpfulness of this note Contributed by Codex

   Basic Example

   Outputs a list of all categories:

   
   wp_category_checklist();
   

Output a the list of a certain category and its descendants

wp_category_checklist( 0, $category_id = 22 );

Mark all categories for a particular post as checked

wp_category_checklist( $post_id = 45 );

Specify an array of categories to preselect instead

$selected_cats = array( 45, 33, 118 );

wp_category_checklist( 0, 0, $selected_cats );

To override which categories will be marked as popular

$popular = array( 45, 33, 118 );

wp_category_checklist( 0, 0, false, $popular );

Specify a walker object to use

$walker = new My_Walker_Category_Checklist();

wp_category_checklist( 0, 0, false, false, $walker );

List the checked categories before the rest

$selected_cats = array( 45, 33, 118 );
$checked_ontop = true;

wp_category_checklist( 0, 0, $selected_cats, false, null, $checked_ontop );

You may also use any of the parameters in combination, except for $post_id and $selected_cats, which should not be used together.