vendor/sebastian/exporter/src/Exporter.php

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<?php
/*
 * This file is part of the Exporter package.
 *
 * (c) Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace SebastianBergmann\Exporter;

use SebastianBergmann\RecursionContext\Context;

/**
 * A nifty utility for visualizing PHP variables.
 *
 * <code>
 * <?php
 * use SebastianBergmann\Exporter\Exporter;
 *
 * $exporter = new Exporter;
 * print $exporter->export(new Exception);
 * </code>
 */
class Exporter
{
    /**
     * Exports a value as a string
     *
     * The output of this method is similar to the output of print_r(), but
     * improved in various aspects:
     *
     *  - NULL is rendered as "null" (instead of "")
     *  - TRUE is rendered as "true" (instead of "1")
     *  - FALSE is rendered as "false" (instead of "")
     *  - Strings are always quoted with single quotes
     *  - Carriage returns and newlines are normalized to \n
     *  - Recursion and repeated rendering is treated properly
     *
     * @param  mixed  $value
     * @param  int    $indentation The indentation level of the 2nd+ line
     * @return string
     */
    public function export($value, $indentation = 0)
    {
        return $this->recursiveExport($value, $indentation);
    }

    /**
     * @param  mixed   $data
     * @param  Context $context
     * @return string
     */
    public function shortenedRecursiveExport(&$data, Context $context = null)
    {
        $result   = array();
        $exporter = new self();

        if (!$context) {