header("location:index.php?msg=1&postvalue=".$_REQUEST['txt_name']); code example

Example 1: header location in php

/*
This will just redirect you to example.com
*/

<?php
$url = "https://example.com";
header("Location: $url");  
exit;
?>

/* I hope it will help you. Namaste */

Example 2: header location in php

<?php
// This will redirect  to google.com
$url = "https://google.com";
header("Location: $url");  
?>