post_type_supports() │ WP 3.0.0

Checks if the post type supports the specified feature (meta-box): title, editor, author, thumbnail...

The function is used to determine if a specific post_type (for example, 'post' or 'page') supports a feature such as editor, thumbnail, comments, and others.

To retrieve data, the global variable $_wp_post_type_features is used.

Used By: use_block_editor_for_post_type()
1 time — 0.000018 sec (very fast) | 50000 times — 0.04 sec (speed of light)

No Hooks.

Returns

true|false.

  • true - the post type supports the specified feature
  • false - the feature is not supported or a non-existent feature is specified.

Usage

post_type_supports( $post_type, $feature );
$post_type(string) (required)
The name of the post type to check.
$feature(string) (required)

The name of the feature to check. The feature is registered in the supports parameter of the register_post_type() function. It can be:

  • title - title block;
  • editor - content input block;
  • author - author selection block;
  • thumbnail - post thumbnail selection block. Requires support from the theme - add_theme_support('post-thumbnails').
  • excerpt - quote input block;
  • trackbacks - notification block;
  • custom-fields - custom fields setup block;
  • comments - comments block;
  • revisions - revisions block (not displayed until there are revisions);
  • page-attributes - attributes block for permanent pages (template and hierarchical relationship of posts, hierarchy must be enabled). Can be used instead.
  • post-formats – post formats block, if they are enabled in the theme.
  • attachment:audio – special for attachments.
  • attachment:video – special for attachments.

Examples

0

#1 Some examples of checks

Check whether the metabox thumbnail is provided for the post type page

if( post_type_supports( 'page', 'thumbnail' ) ){
	echo 'The post editing page has a "thumbnail" metabox.';
}

To check if posts support comments:

if ( post_type_supports( 'post', 'comments' ) ) {
	...
}

Or, if pages support excerpts:

if ( post_type_supports( 'page', 'excerpt' ) ) {
	...
}

Notes

  • Global. Array. $_wp_post_type_features

Changelog

Since 3.0.0 Introduced.

post_type_supports() code WP 7.0

wp-includes/post.php 
function post_type_supports( $post_type, $feature ) {
	global $_wp_post_type_features;

	return ( isset( $_wp_post_type_features[ $post_type ][ $feature ] ) );
}

Custom post type (post_type)

Custom Types