WordPress custom post type - Invalid post type? -


why invalid post type for:

function keyword_pages_init() {     $args = array(       'label' => 'keywords',         'public' => true,         'show_ui' => true,         'capability_type' => 'page',         'hierarchical' => false,         'rewrite' => array('slug' => 'keyword'),         'query_var' => true,         'menu_icon' => 'dashicons-admin-page',         'supports' => array(             'title',             'editor',             'excerpt',             // 'trackbacks',             //'custom-fields',             //'comments',             'revisions',             'thumbnail',             'author',             'page-attributes',             )         );     register_post_type( 'keyword', $args ); } add_action( 'init', 'keyword_pages_init' );

what gone wrong?

but fine keyword s:

function keyword_pages_init() {     $args = array(       'label' => 'keywords',         'public' => true,         'show_ui' => true,         'capability_type' => 'page',         'hierarchical' => false,         'rewrite' => array('slug' => 'keywords'),         'query_var' => true,         'menu_icon' => 'dashicons-admin-page',         'supports' => array(             'title',             'editor',             'excerpt',             // 'trackbacks',             //'custom-fields',             //'comments',             'revisions',             'thumbnail',             'author',             'page-attributes',             )         );     register_post_type( 'keywords', $args ); } add_action( 'init', 'keyword_pages_init' );

why!??

but works new function name!

function keyword2_pages_init() {     $args = array(       'label' => 'keywordsx',         'public' => true,         'show_ui' => true,         'capability_type' => 'page',         'hierarchical' => false,         'rewrite' => array('slug' => 'keyword'),         'query_var' => true,         'menu_icon' => 'dashicons-admin-page',         'supports' => array(             'title',             'editor',             'excerpt',             // 'trackbacks',             //'custom-fields',             //'comments',             'revisions',             'thumbnail',             'author',             'page-attributes',             )         );     register_post_type( 'keyword', $args ); } add_action( 'init', 'keyword2_pages_init' );

why!!?

the custom post type "keyword" registered. list registered post types function:

var_dump(get_post_types());

https://codex.wordpress.org/function_reference/get_post_types

basically name "keyword" legal - docs:

$post_type (string) (required) post type. (max. 20 characters, cannot contain capital letters or spaces) default: none

https://codex.wordpress.org/function_reference/register_post_type

if sure slug keyword not used else , error still exists may bug in wordpress core. if can find report it.

especially in past hundreds of wordpress projects have come across issue 1 ore 2 times.

if post type exists - answer how de-register post type can found here (however possibly registered reason plugin or similar): https://wordpress.stackexchange.com/questions/3820/deregister-custom-post-types

furthermore should note add_action has $priority argument. priority may matter.

https://developer.wordpress.org/reference/functions/add_action/


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