Require Methods

Two different method for require

Require():

Require() method use for including multiple files,its takes all content of file and copies it in the specified.
syntax for require() method as below:

<?php
require 'file_name.php';
?>

file_name.php means path of file

Require_once():

Require_once is similar as require() method ,only different is that if the code from a file has already been included, it will not be included again
syntax for require_once method as below:

<?php
require_once 'file_name.php';
?>