Location: PHPKode > projects > phc > test/subjects/codegen/isset_var_var.php
<?php
  $a = 1;
  $x = "a";
  $y = "b";
  if(isset($$x)) echo "a is set\n"; else echo "a is not set\n";
  if(isset($$y)) echo "b is set\n"; else echo "b is not set\n";
?>
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