当我试图回应一些数据时,我遇到了这个问题。知道为什么PHP会这样吗?
代码:
for($i = 0; $i < 10; $i++){
echo "NO parenthesis : " . $i+1 . "\n";
echo "WITH parenthesis : " . ($i+1) . "\n";
}
输出:
1
WITH parenthesis : 1
1
WITH parenthesis : 2
1
WITH parenthesis : 3
1
WITH parenthesis : 4
1
WITH parenthesis : 5
1
WITH parenthesis : 6
1
WITH parenthesis : 7
1
WITH parenthesis : 8
1
WITH parenthesis : 9
1
WITH parenthesis : 10