This project supports replacement into old PHP code written with abuse of global
directive, and give a strategy to step by step remove and refacoty code in a modern way.
composer require javanile/php-global-var
<?php
function getNewEntity()
{
// Replace the following line
global $entityManager;
// With `get_global_var` call
$entityManager = get_global_var('entityManager');
.
.
.
}