"hello",
"farewell_message" => "goodbye"
);
print key_of_val("hello", $some_ar);
print "
";
print key_of_val("greeting", $some_ar);
print "
";
$some_ar = flip_it($some_ar);
print "Inverted the array";
print "
";
print key_of_val("hello", $some_ar);
print "
";
print key_of_val("greeting", $some_ar);
print "
";
?>