/**
* Returns new partial function which will behave like $function with
* predefined right arguments passed to rpartial
*
* @param callable $function
* @param mixed $arg1
* @param mixed $arg2
* @param mixed ...
* @return callable
*/
function rpartial(callable $function, $arg1)
{
$args = array_slice(func_get_args(), 1);
return function () use($function, $args) {
return call_user_func_array($function, a\extend(func_get_args(), $args));
};
}
public function testExtend()
{
$this->assertEquals([1, 2, 3, 4, 5, 6], extend([1, 2, 3], [4, 5, 6]));
$this->assertEquals([1, 2, 3, 3, 4, 5], extend([1, 2, 3], [3, 4, 5]));
$this->assertEquals([1, 2, 3, 3, 4, 5], extend(new \ArrayIterator([1, 2, 3]), [3, 4, 5]));
$this->assertEquals([1, 2, 3, 3, 4, 5], extend([1, 2, 3], new \ArrayIterator([3, 4, 5])));
$this->assertEquals([4, 5, 6], extend([], [4, 5, 6]));
$this->assertEquals([1, 2, 3], extend([1, 2, 3], []));
$this->assertEquals([1, 2, 3, 4, 5, 6], call_user_func(extend, [1, 2, 3], [4, 5, 6]));
$this->assertEquals('\\nspl\\a\\merge', extend);
}