WordPress at a glance

is_preview() WP 1.0

Is the query for a post or page preview?

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

Works based on: WP_Query::is_preview()

No Hooks.


true|false. Whether the query is for a post or page preview.




  • Global. WP_Query. $wp_query WordPress Query object.


Since 2.0.0 Introduced.

Code of is_preview() WP 5.7.2

function is_preview() {
	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_preview();

From tag: Conditional tags (page type and request)

More from tag: Conditional tags (all)

More from category: Queries

More from Template Tags: Main Functions

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