allow project specific .env

Author: goncalomartins

subsystems/configuration/Configuration/Lib/DotEnv.php

@@ -1,49 +1,70 @@
 <?php
+
 namespace Electro\Configuration\Lib;
 
 use Electro\Exceptions\Fatal\ConfigException;
 
 class DotEnv
 {
-  /** @var string */
-  private $envFile;
-
-  public function __construct ($file)
-  {
-    $this->envFile = $file;
-  }
-
-  public function load ()
-  {
-    if (file_exists ($this->envFile)) {
-      $ini = @parse_ini_file ($this->envFile, false, INI_SCANNER_TYPED);
-      if ($ini)
-        $this->loadConfig ($ini);
-      else {
-        $e = error_get_last ();
-        throw new ConfigException(isset($e['message']) ? $e['message'] : "Can't load file $this->envFile");
-      }
-    }
-  }
-
-  public function loadConfig (array $config)
-  {
-    global $__ENV; // Used by env() to override the value of getenv()
-    $o = [];
-    foreach ($config as $k => $v) {
-      $r = "REDIRECT_$k";
-      if (isset($_SERVER[$r]))
-        $e = $_SERVER[$r];
-      else $e = getenv ($k);
-
-      // Environment variables override .env variables
-      if ($e !== false)
-        $v = $e;
-      else $v = trim ($v); // bevause INI_SCANNER_RAW mode keeps irrelevant whitespace on values
-
-      $o[$k] = $v;
-    }
-    $__ENV = $o;
-  }
+
+	/** @var array */
+	private $envFiles;
+
+	public function __construct(...$files)
+	{
+		$this->envFiles = $files;
+	}
+
+	public function load()
+	{
+		global $__ENV; // Used by env() to override the value of getenv()
+		$merged = [];
+		foreach ($this->envFiles as $file)
+		{
+			if (file_exists($file))
+			{
+				$ini = @parse_ini_file($file, false, INI_SCANNER_TYPED);
+				if ($ini)
+				{
+					$partial = $this->buildConfig($ini);
+					$merged = array_merge($merged,$partial);
+
+				}
+				else
+				{
+					$e = error_get_last();
+					throw new ConfigException(isset($e['message']) ? $e['message'] : "Can't load file $file");
+				}
+			}
+		}
+		$__ENV = $merged;
+	}
+
+	public function loadConfig(array $config)
+	{
+		global $__ENV; // Used by env() to override the value of getenv()
+		$__ENV = $this->buildConfig($config);
+	}
+	private function buildConfig(array $config)
+	{
+		$o = [];
+		foreach ($config as $k => $v)
+		{
+			$r = "REDIRECT_$k";
+			if (isset($_SERVER[$r]))
+				$e = $_SERVER[$r];
+			else
+				$e = getenv($k);
+
+			// Environment variables override .env variables
+			if ($e !== false)
+				$v = $e;
+			else
+				$v = trim($v); // bevause INI_SCANNER_RAW mode keeps irrelevant whitespace on values
+
+			$o[$k] = $v;
+		}
+		return $o;
+	}
 
 }

subsystems/console/ConsoleApplication/ConsoleBootloader.php

@@ -54,7 +54,7 @@ function boot ($rootDir, $urlDepth = 0, callable $onStartUp = null)
 
     // Initialize some settings from environment variables
 
-    $dotenv = new Dotenv ("$rootDir/.env");
+    $dotenv = new Dotenv ("$rootDir/project.env","$rootDir/.env");
     try {
       $dotenv->load ();
     }

subsystems/web-server/WebServer/WebBootloader.php

@@ -44,7 +44,7 @@ function boot ($rootDir, $urlDepth = 0, callable $onStartUp = null)
 
     // Initialize some settings from environment variables
 
-    $dotenv = new Dotenv ("$rootDir/.env");
+    $dotenv = new Dotenv ("$rootDir/project.env","$rootDir/.env");
     try {
       $dotenv->load ();
     }