Laravel 5.6 updates

Travis config update

Removed HHVM script as Laravel no longer support HHVM after releasing 5.3

vendor/symfony/var-dumper/Dumper/ContextProvider/CliContextProvider.php

@@ -0,0 +1,32 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\VarDumper\Dumper\ContextProvider;
+
+/**
+ * Tries to provide context on CLI.
+ *
+ * @author Maxime Steinhausser <maxime.steinhausser@gmail.com>
+ */
+final class CliContextProvider implements ContextProviderInterface
+{
+    public function getContext(): ?array
+    {
+        if ('cli' !== \PHP_SAPI) {
+            return null;
+        }
+
+        return array(
+            'command_line' => $commandLine = implode(' ', $_SERVER['argv']),
+            'identifier' => hash('crc32b', $commandLine.$_SERVER['REQUEST_TIME_FLOAT']),
+        );
+    }
+}