-
- echo round(3.4); // 3
- echo round(3.5); // 4
- echo round(3.6); // 4
- echo round(3.6, 0); // 4
- echo round(1.95583, 2); // 1.96
- echo round(1241757, -3); // 1242000
- echo round(5.045, 2); // 5.04
- echo round(5.055, 2); // 5.06
- ?>
2. ceil() further rounding method
-
- echo ceil(4.3); // 5
- echo ceil(9.999); // 10
- ?>
3. Floor() rounding method Rounding method
-
- echo floor(4.3); // 4
- echo floor(9.999); // 9
- ?>
| 
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
