how to redirect user from viewing a page with no token php : <p>I am trying to write an php page that will use a token system to be viewed currently i have my page but I can't secure it if you visit the url with no token it throw some errors about undefined variable i need to redirect  the person visiting without the creditianls to an error page rather than having the serve through undefined variable T any help towards the right direction on how to use the if (issert) statement to check please</p>
