Is it recommended to split PHP code into separate files for better organization and maintainability?

It is recommended to split PHP code into separate files for better organization and maintainability. This practice helps to modularize code, making it easier to manage and update specific functionalities without affecting the entire codebase. Additionally, splitting code into separate files can improve readability and collaboration among developers. 

// index.php
include 'functions.php';
include 'database.php';

// functions.php
function calculateSum($a, $b) {
    return $a + $b;
}

// database.php
$connection = mysqli_connect('localhost', 'username', 'password', 'database');

Keywords

PHP code organization maintainability file separation best practices

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