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.
Return
true|false. Whether the query is for a post or page preview.
Usage
is_preview();
Notes
- Global. WP_Query. $wp_query WordPress Query object.
Changelog
| Since 2.0.0 | Introduced. |
Code of is_preview() 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();
}