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

    public function testIsset()
    {
        $this->assertEvaluatesTo(function () {
            isset($GLOBALS['a1232323']);
        }, false);
        $GLOBALS['a1232323'] = null;
        $this->assertEvaluatesTo(function () {
            isset($GLOBALS['a1232323']);
        }, false);
        $GLOBALS['a1232323'] = 'val';
        $this->assertEvaluatesTo(function () {
            isset($GLOBALS['a1232323']);
        }, true);
    }