dotenv support in php, eg. wordpress

dotenv.php

<?php
try {
	require_once 'vendor/autoload.php';
	$dotenv = Dotenv\Dotenv::createUnsafeImmutable('./');
	$dotenv->load();
} catch (Exception $e) {
	echo(implode("<br>", array(
		("Caught exception: ".$e->getMessage()."<br>"),
		"please be sure to install .env support package with 'composer require vlucas/phpdotenv'",
		"and that a .env is present"
	)));
}