Merge pull request #36 from Niko9911/patch-1

Check if the function is declared before declaring it.

Author: clue

composer.json

@@ -12,7 +12,7 @@
     ],
     "autoload": {
         "psr-4": { "React\\Promise\\Timer\\": "src/" },
-        "files": [ "src/functions.php" ]
+        "files": [ "src/functions_include.php" ]
     },
     "autoload-dev": {
         "psr-4": { "React\\Tests\\Promise\\Timer\\": "tests/" }

src/functions_include.php

@@ -0,0 +1,7 @@
+<?php
+
+namespace React\Promise\Timer;
+
+if (!function_exists('React\\Promise\\Timer\\timeout')) {
+    require __DIR__ . '/functions.php';
+}