add composer's vendor directory

vendor/symfony/yaml/Dumper.php

@@ -0,0 +1,77 @@
+<?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\Yaml;
+
+/**
+ * Dumper dumps PHP variables to YAML strings.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Dumper
+{
+    /**
+     * The amount of spaces to use for indentation of nested nodes.
+     *
+     * @var int
+     */
+    protected $indentation = 4;
+
+    /**
+     * Sets the indentation.
+     *
+     * @param int $num The amount of spaces to use for indentation of nested nodes.
+     */
+    public function setIndentation($num)
+    {
+        if ($num < 1) {
+            throw new \InvalidArgumentException('The indentation must be greater than zero.');
+        }
+
+        $this->indentation = (int) $num;
+    }
+
+    /**
+     * Dumps a PHP value to YAML.
+     *
+     * @param mixed $input                  The PHP value
+     * @param int   $inline                 The level where you switch to inline YAML
+     * @param int   $indent                 The level of indentation (used internally)
+     * @param bool  $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise
+     * @param bool  $objectSupport          true if object support is enabled, false otherwise
+     *
+     * @return string The YAML representation of the PHP value
+     */
+    public function dump($input, $inline = 0, $indent = 0, $exceptionOnInvalidType = false, $objectSupport = false)
+    {
+        $output = '';
+        $prefix = $indent ? str_repeat(' ', $indent) : '';
+
+        if ($inline <= 0 || !is_array($input) || empty($input)) {
+            $output .= $prefix.Inline::dump($input, $exceptionOnInvalidType, $objectSupport);
+        } else {
+            $isAHash = array_keys($input) !== range(0, count($input) - 1);
+
+            foreach ($input as $key => $value) {
+                $willBeInlined = $inline - 1 <= 0 || !is_array($value) || empty($value);
+
+                $output .= sprintf('%s%s%s%s',
+                    $prefix,
+                    $isAHash ? Inline::dump($key, $exceptionOnInvalidType, $objectSupport).':' : '-',
+                    $willBeInlined ? ' ' : "\n",
+                    $this->dump($value, $inline - 1, $willBeInlined ? 0 : $indent + $this->indentation, $exceptionOnInvalidType, $objectSupport)
+                ).($willBeInlined ? "\n" : '');
+            }
+        }
+
+        return $output;
+    }
+}