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 a website.

The problem with using include() within a function is that: include 'file1.php'; function include2() { include 'file2.php'; } file1.php will have global scope.

Before using php's include, require, include_once or require_once statements, you should learn more about Local File Inclusion (also known as LFI) and Remote File Inclusion (also known as RFI). As example #3 points out, it is possible to include a php file from a remote server.

Nov 4, 2022 · PHP include() function: This function is used to copy all the contents of a file called within the function, text wise into a file from which it is called. This happens before the server executes the code. Example: This example is using the include() function in PHP.

Apr 12, 2012 · If the include occurs inside a function within the calling file, then all of the code contained in the called file will behave as though it had been defined inside that function. So, it will follow the variable scope of that function.

Feb 5, 2014 · How to include a specific function using require_once() or include() functions in PHP?

To include a file using the include() function, you simply call the function (as you would any other function) and insert the file path as a parameter. Syntax: include ('fileName');

Jan 25, 2025 · Learn What is Include in PHP, PHP Require, Advantages of Include() in PHP, Difference between PHP Include vs. PHP Require with examples. Read Now!

We will learn to use PHP’s include and require functions to include external PHP files into our code. This will allow us to modularize our project and reuse existing blocks of PHP code without having to copy them to our main file.