post_type_exists( string $post_type )

Determines whether a post type is registered.

Contents

Description Description

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

See also See also

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Parameters Parameters

$post_type

(string) (Required) Post type name.

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Return Return

(bool) Whether post type is registered.

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Source Source

File: wp-includes/post.php 

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

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Changelog Changelog

Changelog
Version Description
3.0.0 Introduced.

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Used By Used By

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

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

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

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

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

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

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

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

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

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

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

Retrieves a post type
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User Contributed Notes 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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