Comments in PHP

why  we use comments

every php script have alot of code line and we want write description to every code then we use comments

comments features :

1. you write any think and server will not read it 
2. will not appear in the browser  
3. will not make error in script 

how we write comments 

we use // to make a one-line comment 

we use  /* and */ to make a comment block

we use # another way to comments 

<?php
//This is a comment

/*
This is
a comment
block
*/

############this is comments
?>