Merge pull request #6 from ewake/master

added support for getenv() local_only parameter

README.md

@@ -46,6 +46,7 @@ To configure the conversion, you can use the following constants (all enabled by
 There's also additional settings that you can enable (they're disabled by default)
 
 * `Env::USE_ENV_ARRAY` To get the values from `$_ENV`, instead `getenv()`.
+* `Env::LOCAL_FIRST` To get first the values of locally-set environment variables`.
 
 ```php
 //Convert booleans and null, but not integers or strip quotes

src/Env.php

@@ -7,6 +7,7 @@ class Env
     const CONVERT_INT = 4;
     const STRIP_QUOTES = 8;
     const USE_ENV_ARRAY = 16;
+    const LOCAL_FIRST = 32;
 
     public static $options = 15;   //All flags enabled
     public static $default = null; //Default value if not exists
@@ -37,6 +38,8 @@ public static function get($name)
     {
         if (self::$options & self::USE_ENV_ARRAY) {
             $value = isset($_ENV[$name]) ? $_ENV[$name] : false;
+        } elseif (self::$options & self::LOCAL_FIRST) {
+            $value = getenv($name, true) ?: getenv($name);
         } else {
             $value = getenv($name);
         }