post_type_exists( string $post_type ): bool

Determines whether a post type is registered.

Contents

Description

For more information on this and similar theme functions, check out the Conditional Tags article in the Theme Developer Handbook.

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See also

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Parameters

$post_type string Required
Post type name.

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Return

bool Whether post type is registered.

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Source

File: wp-includes/post.php. View all references 

function post_type_exists( $post_type ) {
	return (bool) get_post_type_object( $post_type );
}

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Used By

Used By
Used By Description
use_block_editor_for_post_type() wp-includes/post.php

Returns whether a post type is compatible with the block editor.
WP_Customize_Nav_Menus::ajax_insert_auto_draft_post() wp-includes/class-wp-customize-nav-menus.php

Ajax handler for adding a new auto-draft post.
unregister_post_type() wp-includes/post.php

Unregisters a post type.
WP_Customize_Nav_Menu_Item_Setting::populate_value() wp-includes/customize/class-wp-customize-nav-menu-item-setting.php

Ensure that the value is fully populated with the necessary properties.
WP_Screen::get() wp-admin/includes/class-wp-screen.php

Fetches a screen object.
export_wp() wp-admin/includes/export.php

Generates the WXR export file for download.
_wp_ajax_menu_quick_search() wp-admin/includes/nav-menu.php

Prints the appropriate response to a menu quick search.
get_ancestors() wp-includes/taxonomy.php

Gets an array of ancestor IDs for a given object.
wp_count_posts() wp-includes/post.php

Counts number of posts of a post type and if user has permissions to view.
is_post_type_hierarchical() wp-includes/post.php

Determines whether the post type is hierarchical.
wp_xmlrpc_server::wp_getPostType() wp-includes/class-wp-xmlrpc-server.php

Retrieves a post type.
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Changelog

Changelog
Version Description
3.0.0 Introduced.

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User Contributed Notes

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    Contributed by Codex —

    Basic Examples

    $exists = post_type_exists( 'post' );
// returns true
 
$exists = post_type_exists( 'page' );
// returns true
 
$exists = post_type_exists( 'book' );
// returns true if book is a registered post type
 
$exists = post_type_exists( 'xyz' );
// returns false if xyz is not a registered post type

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