preview_theme() │ WP 2.6.0

Deprecated since 4.3.0. It is no longer supported and may be removed in future releases. It is recommended to replace this function with the same one.

Start preview theme output buffer.

Will only perform task if the user has permissions and template and preview query variables exist.

No Hooks.

Returns

null. Nothing (null).

Usage

preview_theme();

Changelog

Since 2.6.0 Introduced.
Deprecated since 4.3.0

preview_theme() code WP 6.8.3

wp-includes/deprecated.php 
function preview_theme() {
	_deprecated_function( __FUNCTION__, '4.3.0' );
}