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function add1($a,$b){ echo 'a和b的值为'. $a+$b ; } add1(12,14);
Change to function add1($a,$b){ echo 'The values of a and b are'. intval($a) intval($b);}add1(12,14);
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Change to function add1($a,$b){ echo 'The values of a and b are'. intval($a) intval($b);}add1(12,14);