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vendor/symfony/var-dumper/VarDumper.php

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+<?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;
+
+use Symfony\Component\VarDumper\Cloner\VarCloner;
+use Symfony\Component\VarDumper\Dumper\CliDumper;
+use Symfony\Component\VarDumper\Dumper\HtmlDumper;
+
+// Load the global dump() function
+require_once __DIR__.'/Resources/functions/dump.php';
+
+/**
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class VarDumper
+{
+    private static $handler;
+
+    public static function dump($var)
+    {
+        if (null === self::$handler) {
+            $cloner = new VarCloner();
+
+            if (isset($_SERVER['VAR_DUMPER_FORMAT'])) {
+                $dumper = 'html' === $_SERVER['VAR_DUMPER_FORMAT'] ? new HtmlDumper() : new CliDumper();
+            } else {
+                $dumper = \in_array(\PHP_SAPI, ['cli', 'phpdbg']) ? new CliDumper() : new HtmlDumper();
+            }
+
+            self::$handler = function ($var) use ($cloner, $dumper) {
+                $dumper->dump($cloner->cloneVar($var));
+            };
+        }
+
+        return (self::$handler)($var);
+    }
+
+    public static function setHandler(callable $callable = null)
+    {
+        $prevHandler = self::$handler;
+        self::$handler = $callable;
+
+        return $prevHandler;
+    }
+}