HHVM compatibility Fixes for Yii 2 Console Application

framework/console/Controller.php

@@ -49,7 +49,7 @@ class Controller extends \yii\base\Controller
      * @param resource $stream the stream to check.
      * @return boolean Whether to enable ANSI style in output.
      */
-    public function isColorEnabled($stream = STDOUT)
+    public function isColorEnabled($stream = \STDOUT)
     {
         return $this->color ===  null ? Console::streamSupportsAnsiColors($stream) : $this->color;
     }
@@ -192,13 +192,13 @@ class Controller extends \yii\base\Controller
      */
     public function stderr($string)
     {
-        if ($this->isColorEnabled(STDERR)) {
+        if ($this->isColorEnabled(\STDERR)) {
             $args = func_get_args();
             array_shift($args);
             $string = Console::ansiFormat($string, $args);
         }
 
-        return fwrite(STDERR, $string);
+        return fwrite(\STDERR, $string);
     }
 
     /**

framework/console/ErrorHandler.php

@@ -64,7 +64,7 @@ class ErrorHandler extends \yii\base\ErrorHandler
      */
     protected function formatMessage($message, $format = [Console::FG_RED, Console::BOLD])
     {
-        $stream = (PHP_SAPI === 'cli') ? STDERR : STDOUT;
+        $stream = (PHP_SAPI === 'cli') ? \STDERR : \STDOUT;
         // try controller first to allow check for --color switch
         if (Yii::$app->controller instanceof \yii\console\Controller && Yii::$app->controller->isColorEnabled($stream)
             || Yii::$app instanceof \yii\console\Application && Console::streamSupportsAnsiColors($stream)) {

framework/helpers/BaseConsole.php

@@ -628,7 +628,7 @@ class BaseConsole
      */
     public static function stdin($raw = false)
     {
-        return $raw ? fgets(STDIN) : rtrim(fgets(STDIN), PHP_EOL);
+        return $raw ? fgets(\STDIN) : rtrim(fgets(\STDIN), PHP_EOL);
     }
 
     /**
@@ -639,7 +639,7 @@ class BaseConsole
      */
     public static function stdout($string)
     {
-        return fwrite(STDOUT, $string);
+        return fwrite(\STDOUT, $string);
     }
 
     /**
@@ -650,7 +650,7 @@ class BaseConsole
      */
     public static function stderr($string)
     {
-        return fwrite(STDERR, $string);
+        return fwrite(\STDERR, $string);
     }
 
     /**