我把这个简单的逻辑放在一起,将两个数字相加,回显 a 和 b 的值然后显示答案,这里已经很晚了,但我不明白为什么答案不是 $a + $b 的总和。我以为这是ABC的东西,但一点帮助不会错过。提前谢谢你。
$number_one = mt_rand(1,100);
$number_two = mt_rand(1,100);
function add_numbers($a, $b)
{
$sum = $a + $b;
return $sum;
}
echo "What is " . $number_two . " + " . $number_two . "? <br />";
$answer = add_numbers($number_one, $number_two);
echo $answer;
因为你有一个错别字...
echo "What is " . $number_two . " + " . $number_two . "? <br />";
应该是:
echo "What is " . $number_one . " + " . $number_two . "? <br />";
^^^