BetterReflectionTest\Reflection\ReflectionFunctionAbstractTest::testGetReturnStatementAstReturnsStatements PHP Метод

    public function testGetReturnStatementAstReturnsStatements()
    {
        $php = <<<'PHP'
<?php
function foo($a) {
    if ($a) {
        return 0;
    }
    return ($a + 3);
}
PHP;
        $reflector = new FunctionReflector(new StringSourceLocator($php));
        $function = $reflector->reflect('foo');
        $nodes = $function->getReturnStatementsAst();
        $this->assertCount(2, $nodes);
        $this->assertContainsOnlyInstancesOf(Return_::class, $nodes);
        reset($nodes);
        /** @var Return_ $first */
        $first = current($nodes);
        /** @var Return_ $second */
        $second = next($nodes);
        $this->assertInstanceOf(LNumber::class, $first->expr);
        $this->assertInstanceOf(BinaryOp\Plus::class, $second->expr);
    }