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is_singular( string|array $post_types = '' )

Determines whether the query is for an existing single post of any post type (post, attachment, page, custom post types).

Description

If the $post_types parameter is specified, this function will additionally check if the query is for one of the Posts Types specified.

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

See also

Parameters

$post_types

(string|array) (Optional) Post type or array of post types.

Default value: ''

Return

(bool) Whether the query is for an existing single post of any of the given post types.

Source

File: wp-includes/query.php

function is_singular( $post_types = '' ) {
	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_singular( $post_types );
}

Changelog

Version Description
1.5.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/is_singular