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headers
In computer programming, a precompiled header (PCH) is a (C or C++) header file that is compiled into an intermediate form that is faster to process for the compiler. Usage of precompiled headers may significantly reduce compilation time, especially when applied to large header files, header files that include many other header files, or header files that are included in many translation units.
Warning: Cannot modify header information - headers already sent by (output started at C:\xampp\htdocs\bpms2\admin\includes\navbar.php:1) in C:\xampp\htdocs\bpms2\admin\index.php on line 6
<?php
session_start();
include('includes/header.php');
include('includes/navbar.php');
if...