Dumper.php

1. 9.x drupal/core/vendor/symfony/yaml/Symfony/Component/Yaml/Dumper.php
2. 9.x drupal/core/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Dumper/Dumper.php

<?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 integer
   */
  protected $indentation = 4;

  /**
   * Sets the indentation.
   *
   * @param integer $num The amount of spaces to use for intendation of nested nodes.
   */
  public function setIndentation($num) {
    $this->indentation = (int) $num;
  }

  /**
   * Dumps a PHP value to YAML.
   *
   * @param mixed   $input  The PHP value
   * @param integer $inline The level where you switch to inline YAML
   * @param integer $indent The level of indentation (used internally)
   *
   * @return string  The YAML representation of the PHP value
   */
  public function dump($input, $inline = 0, $indent = 0) {
    $output = '';
    $prefix = $indent ? str_repeat(' ', $indent) : '';
    if ($inline <= 0 || !is_array($input) || empty($input)) {
      $output .= $prefix . Inline::dump($input);
    }
    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) . ':' : '-', $willBeInlined ? ' ' : "\n", $this
          ->dump($value, $inline - 1, $willBeInlined ? 0 : $indent + $this->indentation)) . ($willBeInlined ? "\n" : '');
      }
    }
    return $output;
  }

}