Location: PHPKode > projects > phc > test/subjects/codegen/isset_null_var_var.php
<?php
  if(isset($$x)) echo "null var var is set\n"; else echo "null var var is not set\n";
  $GLOBALS[""] = 1;
  if(isset($$x)) echo "null var var is set\n"; else echo "null var var is not set\n";
  $GLOBALS[""] = NULL;
  if(isset($$x)) echo "null var var is set\n"; else echo "null var var is not set\n";
?>
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