Revert "My first commit of codes"

This reverts commit a6e5a69348.

vendor/nikic/php-parser/lib/PhpParser/NodeDumper.php

@@ -1,58 +0,0 @@
-<?php
-
-namespace PhpParser;
-
-class NodeDumper
-{
-    /**
-     * Dumps a node or array.
-     *
-     * @param array|Node $node Node or array to dump
-     *
-     * @return string Dumped value
-     */
-    public function dump($node) {
-        if ($node instanceof Node) {
-            $r = $node->getType() . '(';
-
-            foreach ($node->getSubNodeNames() as $key) {
-                $r .= "\n    " . $key . ': ';
-
-                $value = $node->$key;
-                if (null === $value) {
-                    $r .= 'null';
-                } elseif (false === $value) {
-                    $r .= 'false';
-                } elseif (true === $value) {
-                    $r .= 'true';
-                } elseif (is_scalar($value)) {
-                    $r .= $value;
-                } else {
-                    $r .= str_replace("\n", "\n    ", $this->dump($value));
-                }
-            }
-        } elseif (is_array($node)) {
-            $r = 'array(';
-
-            foreach ($node as $key => $value) {
-                $r .= "\n    " . $key . ': ';
-
-                if (null === $value) {
-                    $r .= 'null';
-                } elseif (false === $value) {
-                    $r .= 'false';
-                } elseif (true === $value) {
-                    $r .= 'true';
-                } elseif (is_scalar($value)) {
-                    $r .= $value;
-                } else {
-                    $r .= str_replace("\n", "\n    ", $this->dump($value));
-                }
-            }
-        } else {
-            throw new \InvalidArgumentException('Can only dump nodes and arrays.');
-        }
-
-        return $r . "\n)";
-    }
-}