How to easily disable theme changing

Simply paste the following piece of code in your functions.php file:

add_action('admin_init', 'slt_lock_theme');
function slt_lock_theme() {
	global $submenu, $userdata;
	get_currentuserinfo();
	if ($userdata->ID != 1) {
		unset($submenu['themes.php'][5]);
		unset($submenu['themes.php'][15]);
	}
}

Once saved, your client will not be able to switch themes anymore.

Thanks to Steve Taylor for this cool recipe!

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