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      * Dumps a PHP value to YAML.

    23      *

    24      * @param  mixed   $input  The PHP value

    25      * @param  integer $inline The level where you switch to inline YAML

    26      * @param  integer $indent The level of indentation (used internally)

    27      *

    28      * @return string  The YAML representation of the PHP value

    29      */

    30     public function dump($input, $inline = 0, $indent = 0)

    31     {

    32         $output = '';

    33         $prefix = $indent ? str_repeat(' ', $indent) : '';

    34 

    35         if ($inline <= 0 || !is_array($input) || empty($input)) {

    36             $output .= $prefix.Inline::dump($input);

    37         } else {

    38             $isAHash = array_keys($input) !== range(0, count($input) - 1);

    39 

    40             foreach ($input as $key => $value) {

    41                 $willBeInlined = $inline - 1 <= 0 || !is_array($value) || empty($value);

    42 

    43                 $output .= sprintf('%s%s%s%s',

    44                     $prefix,

    45                     $isAHash ? Inline::dump($key).':' : '-',

    46                     $willBeInlined ? ' ' : "\n",

    47                     $this->dump($value, $inline - 1, $willBeInlined ? 0 : $indent + 2)

    48                 ).($willBeInlined ? "\n" : '');

    49             }

    50         }

    51 

    52         return $output;

    53     }

    54 }