search result die and redirect

Question

hi i want to know one thing i have site and i want that when people search for a specific keyword and if the results are not available for that specific keyword on my site then it shows error message and redirect back to index.php

currently i am using this

die("Search Result Not Found");

it only show the error message but not redirect back to index.php please help me with the code that kill the sql query and redirect to index.php

Answer 1

definition of die():

die — Equivalent to exit

So, no operation will be performed after die()