Are there any best practices or guidelines to follow when using the method of including a file in every PHP file on the web server?

When including a file in every PHP file on a web server, it is important to follow best practices to ensure efficiency and maintainability. One common approach is to create a separate file containing common functions or configurations, and then include this file in each PHP file that requires it. This helps to centralize code that is used across multiple files and simplifies maintenance. 

// common.php
<?php
// Common functions or configurations
function myFunction() {
    // Function code here
}
?>

// index.php
<?php
include 'common.php';
// Code specific to index.php
myFunction();
?>

// about.php
<?php
include 'common.php';
// Code specific to about.php
myFunction();
?>

Keywords

include require PHP file web server guidelines

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