Pinq\Tests\Integration\ExpressionTrees\ExpressionEvaluationTest::testUsedVariableEmpty PHP Метод

    public function testUsedVariableEmpty()
    {
        $this->assertEvaluatesTo(function () {
            empty($var);
        }, true);
        $var = [1];
        $this->assertEvaluatesTo(function () use($var) {
            empty($var);
        }, false);
    }