is_tax() - WordPress 函数参考中文文档

返回介绍

is_tax()

发布于 2017-09-11 字数4091 浏览 1086 评论 0

is_tax( string|array $taxonomy = '',  int|string|array $term = '' )

Is the query for an existing custom taxonomy archive page?


描述

If the $taxonomy parameter is specified, this function will additionally check if the query is for that specific $taxonomy.

If the $term parameter is specified in addition to the $taxonomy parameter, this function will additionally check if the query is for one of the terms specified.


参数

$taxonomy

(string|array)
(Optional)
Taxonomy slug or slugs.

Default value: ”

$term

(int|string|array)
(Optional)
Term ID, name, slug or array of Term IDs, names, and slugs.

Default value: ”


返回值

(bool) True for custom taxonomy archive pages, false for built-in taxonomies (category and tag archives).


源代码

File: wp-includes/query.php

function is_tax( $taxonomy = '', $term = '' ) {
	global $wp_query;

	if ( ! isset( $wp_query ) ) {
		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
		return false;
	}

	return $wp_query->is_tax( $taxonomy, $term );
}

更新日志

Version 描述
2.5.0 Introduced.

相关函数

Uses

  • wp-includes/l10n.php:
    __()
  • wp-includes/class-wp-query.php:
    WP_Query::is_tax()
  • wp-includes/functions.php:
    _doing_it_wrong()

Used By

  • wp-includes/general-template.php:
    wp_get_document_title()
  • wp-includes/general-template.php:
    get_the_archive_title()
  • wp-includes/category-template.php:
    term_描述()
  • wp-includes/category-template.php:
    wp_list_categories()
  • wp-includes/general-template.php:
    feed_links_extra()
  • wp-includes/general-template.php:
    wp_title()
  • wp-includes/general-template.php:
    single_term_title()
  • wp-includes/class-wp.php:
    WP::handle_404()
  • wp-includes/post-template.php:
    get_body_class()
  • wp-includes/canonical.php:
    redirect_canonical()
  • Show 5 more used by
    Hide more used by


User Contributed Notes

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    Contributed by Codex

    Examples

    
    is_tax();
    // When any custom taxonomy archive page is being displayed.
    
    is_tax( 'channel' );
    // When the archive page for taxonomy of 'channel' is being displayed.
    
    is_tax( 'channel', 'BBC1' );
    // When the archive page for taxonomy of 'channel' is being displayed
    // and the 'channel' taxonomy term is 'BBC1'.
    
    
  2. Post Formats
    The taxonomy slug for Post Formats differs from the Post Format slug. The register_taxonomy() function appends a post-format- base to the Post Format slug. So, e.g. while the “Aside” Post Format type has a slug of aside, the post_format taxonomy term “Aside” has a slug of post-format-aside.

    
    // When the archive page for any Post Format term is being displayed.
    is_tax( 'post_format' );
    
    // When the archive page for Post Format type 'aside' is being displayed.
    is_tax( 'post_format', 'post-format-aside' );
    

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