PHP Include

Can you imagine , write a pace of code once and use it many times .Any changes in this code you will only change in one file .it will be a nightmare if you duplicated the code in every place you wanted to use it .You have to go all over these code parts and do your update .you can do this in PHP by including the file you want to use.

suppose you are using an mean bar that you want to be visible in all your site pages for example
header.php

and the output of this is :

Put links for sure, suppose now you want to add these links in your page .you will do the following :

index.php content is :


the HTML code that will be generated of index.php is :


making header and footer files for your site is a well known technique in web design.

hope this topic help you , thanks