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<!DOCTYPE html> <html> <body> <?php if (!filter_has_var(INPUT_GET, "email")) { echo("Email not found"); } else { echo("Email found"); } ?> </body> <!-- Mirrored from www.w3schools.com/php/phptryit.asp?filename=tryphp_func_filter_has_var by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 05 Sep 2022 15:02:04 GMT --> </html>
