--TEST--

constant() tests

--FILE--

var_dump(constant());

var_dump(constant("", ""));

var_dump(constant(""));

var_dump(constant(array()));

define("TEST_CONST", 1);

var_dump(constant("TEST_CONST"));

define("TEST_CONST2", "test");

var_dump(constant("TEST_CONST2"));

echo "Done\n";

--EXPECTF--

Warning: constant() expects exactly 1 parameter, 0 given in %s on line %d

NULL

Warning: constant() expects exactly 1 parameter, 2 given in %s on line %d

NULL

Warning: constant(): Couldn't find constant in %s on line %d

NULL

Warning: constant() expects parameter 1 to be string, array given in %s on line %d

NULL

int(1)

string(4) "test"

Done