wp-includes/class-wp-customize-manager.php:4614$preview_urlstring public function set_preview_url( $preview_url ) { $preview_url = sanitize_url( $preview_url ); $this->preview_url = wp_validate_redirect( $preview_url, home_url( '/' ) ); }Introduced in 4.4.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-customize-manager.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.