env_and_scoping.php

<?php
include(__DIR__.'test_secrets.php');

$test_arr = [
	"FOO","BAR"
];

$_ENV['MM_K']=$secrets->key;
$_ENV['MM_S']=$secrets->secret;
// the stand out difference
$_ENV['TEST']=$test_arr;
putenv("MM_K=".$secrets->key);
putenv("MM_S=".$secrets->secret);
define("MM_K",$secrets->key);
define("MM_S",$secrets->secret);

include(__DIR__.'/test_inc.php');


test_global();
echo "************\n";
test_env();
echo "************\n";
test_cons();
echo "************\n";

function test_global(){
	echo "Auth str inside global func: ".$_ENV['MM_K'].":".$_ENV['MM_S']."\n";
}

function test_env(){
	echo "Auth str inside env func: ".getenv('MM_K').":".getenv('MM_S')."\n";
}

function test_cons(){
	echo "Auth str inside cons func: ".MM_K.":".MM_S."\n";
}
?>

secrets.json

{
  "key":"INSERT_KEY_HERE",
  "secret":"INSERT_SECRET_HERE"
}

test_inc.php

<?php
echo "Auth str inside of include using GLOBAL: ".$_ENV['MM_K'].":".$_ENV['MM_S']."\n";
echo "************\n";

echo "Auth str inside of include using ENV: ".getenv('MM_K').":".getenv('MM_S')."\n";
echo "************\n";

echo "Auth str inside of include using CONSTANT: ".MM_K.":".MM_S."\n";
echo "************\n";


echo gettype($_ENV['TEST']);

?>

test_secrets.php

<?php
$fh = file_get_contents(__DIR__ . '/secrets.json');
$secrets = json_decode($fh);
?>