1: <?php
 2: 
 3: /*
 4:  * This file is part of the Symfony package.
 5:  *
 6:  * (c) Fabien Potencier <fabien@symfony.com>
 7:  *
 8:  * For the full copyright and license information, please view the LICENSE
 9:  * file that was distributed with this source code.
10:  */
11: 
12: namespace Symfony\Component\Yaml;
13: 
14: /**
15:  * Dumper dumps PHP variables to YAML strings.
16:  *
17:  * @author Fabien Potencier <fabien@symfony.com>
18:  */
19: class Dumper
20: {
21:     /**
22:      * The amount of spaces to use for indentation of nested nodes.
23:      *
24:      * @var integer
25:      */
26:     protected $indentation = 4;
27: 
28:     /**
29:      * Sets the indentation.
30:      *
31:      * @param integer $num The amount of spaces to use for indentation of nested nodes.
32:      */
33:     public function setIndentation($num)
34:     {
35:         $this->indentation = (int) $num;
36:     }
37: 
38:     /**
39:      * Dumps a PHP value to YAML.
40:      *
41:      * @param mixed   $input                  The PHP value
42:      * @param integer $inline                 The level where you switch to inline YAML
43:      * @param integer $indent                 The level of indentation (used internally)
44:      * @param Boolean $exceptionOnInvalidType true if an exception must be thrown on invalid types (a PHP resource or object), false otherwise
45:      * @param Boolean $objectSupport          true if object support is enabled, false otherwise
46:      *
47:      * @return string  The YAML representation of the PHP value
48:      */
49:     public function dump($input, $inline = 0, $indent = 0, $exceptionOnInvalidType = false, $objectSupport = false)
50:     {
51:         $output = '';
52:         $prefix = $indent ? str_repeat(' ', $indent) : '';
53: 
54:         if ($inline <= 0 || !is_array($input) || empty($input)) {
55:             $output .= $prefix.Inline::dump($input, $exceptionOnInvalidType, $objectSupport);
56:         } else {
57:             $isAHash = array_keys($input) !== range(0, count($input) - 1);
58: 
59:             foreach ($input as $key => $value) {
60:                 $willBeInlined = $inline - 1 <= 0 || !is_array($value) || empty($value);
61: 
62:                 $output .= sprintf('%s%s%s%s',
63:                     $prefix,
64:                     $isAHash ? Inline::dump($key, $exceptionOnInvalidType, $objectSupport).':' : '-',
65:                     $willBeInlined ? ' ' : "\n",
66:                     $this->dump($value, $inline - 1, $willBeInlined ? 0 : $indent + $this->indentation, $exceptionOnInvalidType, $objectSupport)
67:                 ).($willBeInlined ? "\n" : '');
68:             }
69:         }
70: 
71:         return $output;
72:     }
73: }
74: