Updated Drupal to 8.6. This goes with the following updates because it's possible...

[yaffs-website] / vendor / symfony / var-dumper / VarDumper.php

diff --git a/vendor/symfony/var-dumper/VarDumper.php b/vendor/symfony/var-dumper/VarDumper.php
index c728439df21bd45364a86181fd289e57ee5657b3..a9ed05b3b38bc1049eed797b6b39f878b04f9fef 100644 (file)
--- a/vendor/symfony/var-dumper/VarDumper.php
+++ b/vendor/symfony/var-dumper/VarDumper.php
@@ -29,21 +29,17 @@ class VarDumper
     {
         if (null === self::$handler) {
             $cloner = new VarCloner();
-            $dumper = 'cli' === PHP_SAPI ? new CliDumper() : new HtmlDumper();
+            $dumper = \in_array(\PHP_SAPI, array('cli', 'phpdbg'), true) ? new CliDumper() : new HtmlDumper();
             self::$handler = function ($var) use ($cloner, $dumper) {
                 $dumper->dump($cloner->cloneVar($var));
             };
         }
 
-        return call_user_func(self::$handler, $var);
+        return \call_user_func(self::$handler, $var);
     }
 
-    public static function setHandler($callable)
+    public static function setHandler(callable $callable = null)
     {
-        if (null !== $callable && !is_callable($callable, true)) {
-            throw new \InvalidArgumentException('Invalid PHP callback.');
-        }
-
         $prevHandler = self::$handler;
         self::$handler = $callable;