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.

No Hooks.

Return

true/false.

Usage

is_preview();

Code of is preview: wp-includes/query.php ^{WP 5.2.2}

<?php
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();
}

Related Functions

From tag: Conditional tags (page type and request)

More from tag: Conditional tags (all)

More from category: Queries

More from Template Tags: Main Functions