PHP Include
Including files.
PHP Include Files
The include (or require) statement takes all the text/code/markup that exists in the specified file and copies it into the file that uses the include statement.
Including files is very useful when you want to include the same PHP, HTML, or text on multiple pages of your website.
Include vs Require
requirewill produce a fatal error (E_COMPILE_ERROR) and stop the scriptincludewill only produce a warning (E_WARNING) and the script will continue
Syntax
include 'filename';
require 'filename';