How can the use of include statements in PHP be optimized to improve performance and code readability?

To optimize the use of include statements in PHP for better performance and code readability, it is recommended to use require_once instead of include whenever possible. This ensures that the file is included only once, reducing unnecessary overhead. Additionally, organizing your include statements at the beginning of your script can improve code readability by clearly showing the dependencies of your script. 

<?php
require_once 'config.php';
require_once 'functions.php';

// Your PHP script code here
?>

Keywords

include statements PHP performance optimization code readability optimization techniques

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