以下程序运行结果:( ) <? function total_Sum($c=5, $b=3,$a){ echo$a."+ ".$b." + ".$c." = ".($a+$b+$c) ; } total_Sum(1); ?> 5+3+1=9 1+5+3 =9 提示错误,并有显示:+3+1 = 4 9
<? function total_Sum($c=5, $b=3,$a){ echo$a."+ ".$b." + ".$c." = ".($a+$b+$c) ; } total_Sum(1); ?>
5+3+1=9
1+5+3 =9
提示错误,并有显示:+3+1 = 4
9