core_update_footer( string $msg = '' ): string

247function core_update_footer( $msg = '' ) {248	if ( ! current_user_can( 'update_core' ) ) {249		/* translators: %s: WordPress version. */250		return sprintf( __( 'Version %s' ), get_bloginfo( 'version', 'display' ) );251	}252 253	$cur = get_preferred_from_update_core();254 255	if ( ! is_object( $cur ) ) {256		$cur = new stdClass();257	}258 259	if ( ! isset( $cur->current ) ) {260		$cur->current = '';261	}262 263	if ( ! isset( $cur->response ) ) {264		$cur->response = '';265	}266 267	$is_development_version = preg_match( '/alpha|beta|RC/', wp_get_wp_version() );268 269	if ( $is_development_version ) {270		return sprintf(271			/* translators: 1: WordPress version number, 2: URL to WordPress Updates screen. */272			__( 'You are using a development version (%1$s). Cool! Please <a href="%2$s">stay updated</a>.' ),273			get_bloginfo( 'version', 'display' ),274			network_admin_url( 'update-core.php' )275		);276	}277 278	switch ( $cur->response ) {279		case 'upgrade':280			return sprintf(281				'<strong><a href="%s">%s</a></strong>',282				network_admin_url( 'update-core.php' ),283				/* translators: %s: WordPress version. */284				sprintf( __( 'Get Version %s' ), $cur->current )285			);286 287		case 'latest':288		default:289			/* translators: %s: WordPress version. */290			return sprintf( __( 'Version %s' ), get_bloginfo( 'version', 'display' ) );291	}292}