Windows 10 version check in just one line

Author: mlocati

src/Symfony/Bridge/PhpUnit/DeprecationErrorHandler.php

@@ -160,7 +160,11 @@ public static function register($mode = false)
     private static function hasColorSupport()
     {
         if ('\\' === DIRECTORY_SEPARATOR) {
-            return false !== getenv('ANSICON') || 'ON' === getenv('ConEmuANSI') || 'xterm' === getenv('TERM');
+            return
+                0 >= version_compare('10.0.10586', PHP_WINDOWS_VERSION_MAJOR.'.'.PHP_WINDOWS_VERSION_MINOR.'.'.PHP_WINDOWS_VERSION_BUILD)
+                || false !== getenv('ANSICON')
+                || 'ON' === getenv('ConEmuANSI')
+                || 'xterm' === getenv('TERM');
         }
 
         return defined('STDOUT') && function_exists('posix_isatty') && @posix_isatty(STDOUT);

src/Symfony/Component/VarDumper/Dumper/CliDumper.php

@@ -58,8 +58,8 @@ public function __construct($output = null, $charset = null)
     {
         parent::__construct($output, $charset);
 
-        if ('\\' === DIRECTORY_SEPARATOR && false !== @getenv('ANSICON')) {
-            // Use only the base 16 xterm colors when using ANSICON
+        if ('\\' === DIRECTORY_SEPARATOR && 'ON' !== @getenv('ConEmuANSI') && 'xterm' !== @getenv('TERM')) {
+            // Use only the base 16 xterm colors when using ANSICON or standard Windows 10 CLI 
             $this->setStyles(array(
                 'default' => '31',
                 'num' => '1;34',
@@ -448,7 +448,12 @@ protected function supportsColors()
         }
 
         if ('\\' === DIRECTORY_SEPARATOR) {
-            static::$defaultColors = @(false !== getenv('ANSICON') || 'ON' === getenv('ConEmuANSI') || 'xterm' === getenv('TERM'));
+            static::$defaultColors = @(
+                0 >= version_compare('10.0.10586', PHP_WINDOWS_VERSION_MAJOR.'.'.PHP_WINDOWS_VERSION_MINOR.'.'.PHP_WINDOWS_VERSION_BUILD)
+                || false !== getenv('ANSICON')
+                || 'ON' === getenv('ConEmuANSI')
+                || 'xterm' === getenv('TERM')
+            );
         } elseif (function_exists('posix_isatty')) {
             $h = stream_get_meta_data($this->outputStream) + array('wrapper_type' => null);
             $h = 'Output' === $h['stream_type'] && 'PHP' === $h['wrapper_type'] ? fopen('php://stdout', 'wb') : $this->outputStream;