How to insert a single line and multiple line comments in php

answer:

PHP comment

1 single line comment used for quick notes about complex code or to temporarily disable a line of PHP code. You need to add // or # before the code.

2 multi-line comment used to comment out large blocks of code or writing multiple line comments. You need to add /* before and */ after the code.

a.s= 230t– 110; 1500 lbc.t= 230s– 110; 1500 lbb.s= 230t+ 110; 1720 lbd.s= 199t– 110; 1280 lb