Online PHP editor | refs for KlQgp

@ 2013-10-02T19:37:01Z

<?php 
print_r($_GET);
  if($_GET["a"] === "") echo "a is an empty string\n";
  if($_GET["a"] === false) echo "a is false\n";
  if($_GET["a"] === null) echo "a is null\n";
  if(isset($_GET["a"])) echo "a is set\n";
  if(!empty($_GET["a"])) echo "a is not empty";




?>