Add safeLoad method to suppress InvalidPathException (#242)

Author: endorama

src/Dotenv.php

@@ -2,6 +2,8 @@
 
 namespace Dotenv;
 
+use Dotenv\Exception\InvalidPathException;
+
 /**
  * This is the dotenv class.
  *
@@ -48,6 +50,21 @@ public function load()
         return $this->loadData();
     }
 
+    /**
+     * Load environment file in given directory, suppress InvalidPathException.
+     *
+     * @return array
+     */
+    public function safeLoad()
+    {
+        try {
+            return $this->loadData();
+        } catch (InvalidPathException $e) {
+            // suppressing exception
+            return array();
+        }
+    }
+
     /**
      * Load environment file in given directory.
      *

tests/Dotenv/DotenvTest.php

@@ -24,6 +24,12 @@ public function testDotenvThrowsExceptionIfUnableToLoadFile()
         $dotenv->load();
     }
 
+    public function testDotenvSkipsLoadingIfFileIsMissing()
+    {
+        $dotenv = new Dotenv(__DIR__);
+        $this->assertEmpty($dotenv->safeLoad());
+    }
+
     public function testDotenvLoadsEnvironmentVars()
     {
         $dotenv = new Dotenv($this->fixturesFolder);