--- /dev/null
+<?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\HttpKernel\DataCollector\Util;
+
+/**
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+class ValueExporter
+{
+ /**
+ * Converts a PHP value to a string.
+ *
+ * @param mixed $value The PHP value
+ * @param int $depth only for internal usage
+ * @param bool $deep only for internal usage
+ *
+ * @return string The string representation of the given value
+ */
+ public function exportValue($value, $depth = 1, $deep = false)
+ {
+ if ($value instanceof \__PHP_Incomplete_Class) {
+ return sprintf('__PHP_Incomplete_Class(%s)', $this->getClassNameFromIncomplete($value));
+ }
+
+ if (is_object($value)) {
+ if ($value instanceof \DateTime || $value instanceof \DateTimeInterface) {
+ return sprintf('Object(%s) - %s', get_class($value), $value->format(\DateTime::ATOM));
+ }
+
+ return sprintf('Object(%s)', get_class($value));
+ }
+
+ if (is_array($value)) {
+ if (empty($value)) {
+ return '[]';
+ }
+
+ $indent = str_repeat(' ', $depth);
+
+ $a = array();
+ foreach ($value as $k => $v) {
+ if (is_array($v)) {
+ $deep = true;
+ }
+ $a[] = sprintf('%s => %s', $k, $this->exportValue($v, $depth + 1, $deep));
+ }
+
+ if ($deep) {
+ return sprintf("[\n%s%s\n%s]", $indent, implode(sprintf(", \n%s", $indent), $a), str_repeat(' ', $depth - 1));
+ }
+
+ return sprintf('[%s]', implode(', ', $a));
+ }
+
+ if (is_resource($value)) {
+ return sprintf('Resource(%s#%d)', get_resource_type($value), $value);
+ }
+
+ if (null === $value) {
+ return 'null';
+ }
+
+ if (false === $value) {
+ return 'false';
+ }
+
+ if (true === $value) {
+ return 'true';
+ }
+
+ return (string) $value;
+ }
+
+ private function getClassNameFromIncomplete(\__PHP_Incomplete_Class $value)
+ {
+ $array = new \ArrayObject($value);
+
+ return $array['__PHP_Incomplete_Class_Name'];
+ }
+}